From: Suren Baghdasaryan <surenb@google.com>
To: akpm@linux-foundation.org
Cc: kent.overstreet@linux.dev, mhocko@suse.com, vbabka@suse.cz,
hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de,
dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com,
corbet@lwn.net, void@manifault.com, peterz@infradead.org,
juri.lelli@redhat.com, ldufour@linux.ibm.com,
catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de,
tglx@linutronix.de, mingo@redhat.com,
dave.hansen@linux.intel.com, x86@kernel.org, peterx@redhat.com,
david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org,
masahiroy@kernel.org, nathan@kernel.org, dennis@kernel.org,
tj@kernel.org, muchun.song@linux.dev, rppt@kernel.org,
paulmck@kernel.org, pasha.tatashin@soleen.com,
yosryahmed@google.com, yuzhao@google.com, dhowells@redhat.com,
hughd@google.com, andreyknvl@gmail.com, keescook@chromium.org,
ndesaulniers@google.com, vvvvvv@google.com,
gregkh@linuxfoundation.org, ebiggers@google.com,
ytcoode@gmail.com, vincent.guittot@linaro.org,
dietmar.eggemann@arm.com, rostedt@goodmis.org,
bsegall@google.com, bristot@redhat.com, vschneid@redhat.com,
cl@linux.com, penberg@kernel.org, iamjoonsoo.kim@lge.com,
42.hyeyoo@gmail.com, glider@google.com, elver@google.com,
dvyukov@google.com, shakeelb@google.com,
songmuchun@bytedance.com, jbaron@akamai.com,
rientjes@google.com, minchan@google.com, kaleshsingh@google.com,
surenb@google.com, kernel-team@android.com,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
iommu@lists.linux.dev, linux-arch@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-modules@vger.kernel.org, kasan-dev@googlegroups.com,
cgroups@vger.kernel.org
Subject: [PATCH v2 24/39] mm/slab: enable slab allocation tagging for kmalloc and friends
Date: Tue, 24 Oct 2023 06:46:21 -0700 [thread overview]
Message-ID: <20231024134637.3120277-25-surenb@google.com> (raw)
In-Reply-To: <20231024134637.3120277-1-surenb@google.com>
Redefine kmalloc, krealloc, kzalloc, kcalloc, etc. to record allocations
and deallocations done by these functions.
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Co-developed-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
include/linux/fortify-string.h | 5 +-
include/linux/slab.h | 173 ++++++++++++++++-----------------
include/linux/string.h | 4 +-
mm/slab.c | 18 ++--
mm/slab_common.c | 38 ++++----
mm/slub.c | 19 ++--
mm/util.c | 20 ++--
7 files changed, 137 insertions(+), 140 deletions(-)
diff --git a/include/linux/fortify-string.h b/include/linux/fortify-string.h
index da51a83b2829..11319e7634a4 100644
--- a/include/linux/fortify-string.h
+++ b/include/linux/fortify-string.h
@@ -752,9 +752,9 @@ __FORTIFY_INLINE void *memchr_inv(const void * const POS0 p, int c, size_t size)
return __real_memchr_inv(p, c, size);
}
-extern void *__real_kmemdup(const void *src, size_t len, gfp_t gfp) __RENAME(kmemdup)
+extern void *__real_kmemdup(const void *src, size_t len, gfp_t gfp) __RENAME(kmemdup_noprof)
__realloc_size(2);
-__FORTIFY_INLINE void *kmemdup(const void * const POS0 p, size_t size, gfp_t gfp)
+__FORTIFY_INLINE void *kmemdup_noprof(const void * const POS0 p, size_t size, gfp_t gfp)
{
const size_t p_size = __struct_size(p);
@@ -764,6 +764,7 @@ __FORTIFY_INLINE void *kmemdup(const void * const POS0 p, size_t size, gfp_t gfp
fortify_panic(__func__);
return __real_kmemdup(p, size, gfp);
}
+#define kmemdup(...) alloc_hooks(kmemdup_noprof(__VA_ARGS__))
/**
* strcpy - Copy a string into another string buffer
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 11ef3d364b2b..0543e0f76c60 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -230,7 +230,9 @@ int kmem_cache_shrink(struct kmem_cache *s);
/*
* Common kmalloc functions provided by all allocators
*/
-void * __must_check krealloc(const void *objp, size_t new_size, gfp_t flags) __realloc_size(2);
+void * __must_check krealloc_noprof(const void *objp, size_t new_size, gfp_t flags) __realloc_size(2);
+#define krealloc(...) alloc_hooks(krealloc_noprof(__VA_ARGS__))
+
void kfree(const void *objp);
void kfree_sensitive(const void *objp);
size_t __ksize(const void *objp);
@@ -491,7 +493,10 @@ static __always_inline unsigned int __kmalloc_index(size_t size,
static_assert(PAGE_SHIFT <= 20);
#define kmalloc_index(s) __kmalloc_index(s, true)
-void *__kmalloc(size_t size, gfp_t flags) __assume_kmalloc_alignment __alloc_size(1);
+#include <linux/alloc_tag.h>
+
+void *__kmalloc_noprof(size_t size, gfp_t flags) __assume_kmalloc_alignment __alloc_size(1);
+#define __kmalloc(...) alloc_hooks(__kmalloc_noprof(__VA_ARGS__))
/**
* kmem_cache_alloc - Allocate an object
@@ -503,9 +508,13 @@ void *__kmalloc(size_t size, gfp_t flags) __assume_kmalloc_alignment __alloc_siz
*
* Return: pointer to the new object or %NULL in case of error
*/
-void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags) __assume_slab_alignment __malloc;
-void *kmem_cache_alloc_lru(struct kmem_cache *s, struct list_lru *lru,
- gfp_t gfpflags) __assume_slab_alignment __malloc;
+void *kmem_cache_alloc_noprof(struct kmem_cache *cachep, gfp_t flags) __assume_slab_alignment __malloc;
+#define kmem_cache_alloc(...) alloc_hooks(kmem_cache_alloc_noprof(__VA_ARGS__))
+
+void *kmem_cache_alloc_lru_noprof(struct kmem_cache *s, struct list_lru *lru,
+ gfp_t gfpflags) __assume_slab_alignment __malloc;
+#define kmem_cache_alloc_lru(...) alloc_hooks(kmem_cache_alloc_lru_noprof(__VA_ARGS__))
+
void kmem_cache_free(struct kmem_cache *s, void *objp);
/*
@@ -516,29 +525,40 @@ void kmem_cache_free(struct kmem_cache *s, void *objp);
* Note that interrupts must be enabled when calling these functions.
*/
void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p);
-int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, void **p);
+
+int kmem_cache_alloc_bulk_noprof(struct kmem_cache *s, gfp_t flags, size_t size, void **p);
+#define kmem_cache_alloc_bulk(...) alloc_hooks(kmem_cache_alloc_bulk_noprof(__VA_ARGS__))
static __always_inline void kfree_bulk(size_t size, void **p)
{
kmem_cache_free_bulk(NULL, size, p);
}
-void *__kmalloc_node(size_t size, gfp_t flags, int node) __assume_kmalloc_alignment
+void *__kmalloc_node_noprof(size_t size, gfp_t flags, int node) __assume_kmalloc_alignment
__alloc_size(1);
-void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t flags, int node) __assume_slab_alignment
- __malloc;
+#define __kmalloc_node(...) alloc_hooks(__kmalloc_node_noprof(__VA_ARGS__))
-void *kmalloc_trace(struct kmem_cache *s, gfp_t flags, size_t size)
+void *kmem_cache_alloc_node_noprof(struct kmem_cache *s, gfp_t flags, int node) __assume_slab_alignment
+ __malloc;
+#define kmem_cache_alloc_node(...) alloc_hooks(kmem_cache_alloc_node_noprof(__VA_ARGS__))
+
+void *kmalloc_trace_noprof(struct kmem_cache *s, gfp_t flags, size_t size)
__assume_kmalloc_alignment __alloc_size(3);
-void *kmalloc_node_trace(struct kmem_cache *s, gfp_t gfpflags,
- int node, size_t size) __assume_kmalloc_alignment
+void *kmalloc_node_trace_noprof(struct kmem_cache *s, gfp_t gfpflags,
+ int node, size_t size) __assume_kmalloc_alignment
__alloc_size(4);
-void *kmalloc_large(size_t size, gfp_t flags) __assume_page_alignment
+#define kmalloc_trace(...) alloc_hooks(kmalloc_trace_noprof(__VA_ARGS__))
+
+#define kmalloc_node_trace(...) alloc_hooks(kmalloc_node_trace_noprof(__VA_ARGS__))
+
+void *kmalloc_large_noprof(size_t size, gfp_t flags) __assume_page_alignment
__alloc_size(1);
+#define kmalloc_large(...) alloc_hooks(kmalloc_large_noprof(__VA_ARGS__))
-void *kmalloc_large_node(size_t size, gfp_t flags, int node) __assume_page_alignment
+void *kmalloc_large_node_noprof(size_t size, gfp_t flags, int node) __assume_page_alignment
__alloc_size(1);
+#define kmalloc_large_node(...) alloc_hooks(kmalloc_large_node_noprof(__VA_ARGS__))
/**
* kmalloc - allocate kernel memory
@@ -594,37 +614,39 @@ void *kmalloc_large_node(size_t size, gfp_t flags, int node) __assume_page_align
* Try really hard to succeed the allocation but fail
* eventually.
*/
-static __always_inline __alloc_size(1) void *kmalloc(size_t size, gfp_t flags)
+static __always_inline __alloc_size(1) void *kmalloc_noprof(size_t size, gfp_t flags)
{
if (__builtin_constant_p(size) && size) {
unsigned int index;
if (size > KMALLOC_MAX_CACHE_SIZE)
- return kmalloc_large(size, flags);
+ return kmalloc_large_noprof(size, flags);
index = kmalloc_index(size);
- return kmalloc_trace(
+ return kmalloc_trace_noprof(
kmalloc_caches[kmalloc_type(flags, _RET_IP_)][index],
flags, size);
}
- return __kmalloc(size, flags);
+ return __kmalloc_noprof(size, flags);
}
+#define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__))
-static __always_inline __alloc_size(1) void *kmalloc_node(size_t size, gfp_t flags, int node)
+static __always_inline __alloc_size(1) void *kmalloc_node_noprof(size_t size, gfp_t flags, int node)
{
if (__builtin_constant_p(size) && size) {
unsigned int index;
if (size > KMALLOC_MAX_CACHE_SIZE)
- return kmalloc_large_node(size, flags, node);
+ return kmalloc_large_node_noprof(size, flags, node);
index = kmalloc_index(size);
- return kmalloc_node_trace(
+ return kmalloc_node_trace_noprof(
kmalloc_caches[kmalloc_type(flags, _RET_IP_)][index],
flags, node, size);
}
- return __kmalloc_node(size, flags, node);
+ return __kmalloc_node_noprof(size, flags, node);
}
+#define kmalloc_node(...) alloc_hooks(kmalloc_node_noprof(__VA_ARGS__))
/**
* kmalloc_array - allocate memory for an array.
@@ -632,16 +654,17 @@ static __always_inline __alloc_size(1) void *kmalloc_node(size_t size, gfp_t fla
* @size: element size.
* @flags: the type of memory to allocate (see kmalloc).
*/
-static inline __alloc_size(1, 2) void *kmalloc_array(size_t n, size_t size, gfp_t flags)
+static inline __alloc_size(1, 2) void *kmalloc_array_noprof(size_t n, size_t size, gfp_t flags)
{
size_t bytes;
if (unlikely(check_mul_overflow(n, size, &bytes)))
return NULL;
if (__builtin_constant_p(n) && __builtin_constant_p(size))
- return kmalloc(bytes, flags);
- return __kmalloc(bytes, flags);
+ return kmalloc_noprof(bytes, flags);
+ return kmalloc_noprof(bytes, flags);
}
+#define kmalloc_array(...) alloc_hooks(kmalloc_array_noprof(__VA_ARGS__))
/**
* krealloc_array - reallocate memory for an array.
@@ -650,18 +673,19 @@ static inline __alloc_size(1, 2) void *kmalloc_array(size_t n, size_t size, gfp_
* @new_size: new size of a single member of the array
* @flags: the type of memory to allocate (see kmalloc)
*/
-static inline __realloc_size(2, 3) void * __must_check krealloc_array(void *p,
- size_t new_n,
- size_t new_size,
- gfp_t flags)
+static inline __realloc_size(2, 3) void * __must_check krealloc_array_noprof(void *p,
+ size_t new_n,
+ size_t new_size,
+ gfp_t flags)
{
size_t bytes;
if (unlikely(check_mul_overflow(new_n, new_size, &bytes)))
return NULL;
- return krealloc(p, bytes, flags);
+ return krealloc_noprof(p, bytes, flags);
}
+#define krealloc_array(...) alloc_hooks(krealloc_array_noprof(__VA_ARGS__))
/**
* kcalloc - allocate memory for an array. The memory is set to zero.
@@ -669,16 +693,11 @@ static inline __realloc_size(2, 3) void * __must_check krealloc_array(void *p,
* @size: element size.
* @flags: the type of memory to allocate (see kmalloc).
*/
-static inline __alloc_size(1, 2) void *kcalloc(size_t n, size_t size, gfp_t flags)
-{
- return kmalloc_array(n, size, flags | __GFP_ZERO);
-}
+#define kcalloc(_n, _size, _flags) kmalloc_array(_n, _size, (_flags) | __GFP_ZERO)
-void *__kmalloc_node_track_caller(size_t size, gfp_t flags, int node,
+void *kmalloc_node_track_caller_noprof(size_t size, gfp_t flags, int node,
unsigned long caller) __alloc_size(1);
-#define kmalloc_node_track_caller(size, flags, node) \
- __kmalloc_node_track_caller(size, flags, node, \
- _RET_IP_)
+#define kmalloc_node_track_caller(...) alloc_hooks(kmalloc_node_track_caller_noprof(__VA_ARGS__, _RET_IP_))
/*
* kmalloc_track_caller is a special version of kmalloc that records the
@@ -688,11 +707,9 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t flags, int node,
* allocator where we care about the real place the memory allocation
* request comes from.
*/
-#define kmalloc_track_caller(size, flags) \
- __kmalloc_node_track_caller(size, flags, \
- NUMA_NO_NODE, _RET_IP_)
+#define kmalloc_track_caller(...) kmalloc_node_track_caller(__VA_ARGS__, NUMA_NO_NODE)
-static inline __alloc_size(1, 2) void *kmalloc_array_node(size_t n, size_t size, gfp_t flags,
+static inline __alloc_size(1, 2) void *kmalloc_array_node_noprof(size_t n, size_t size, gfp_t flags,
int node)
{
size_t bytes;
@@ -700,75 +717,51 @@ static inline __alloc_size(1, 2) void *kmalloc_array_node(size_t n, size_t size,
if (unlikely(check_mul_overflow(n, size, &bytes)))
return NULL;
if (__builtin_constant_p(n) && __builtin_constant_p(size))
- return kmalloc_node(bytes, flags, node);
- return __kmalloc_node(bytes, flags, node);
+ return kmalloc_node_noprof(bytes, flags, node);
+ return __kmalloc_node_noprof(bytes, flags, node);
}
+#define kmalloc_array_node(...) alloc_hooks(kmalloc_array_node_noprof(__VA_ARGS__))
-static inline __alloc_size(1, 2) void *kcalloc_node(size_t n, size_t size, gfp_t flags, int node)
-{
- return kmalloc_array_node(n, size, flags | __GFP_ZERO, node);
-}
+#define kcalloc_node(_n, _size, _flags, _node) kmalloc_array_node(_n, _size, (_flags) | __GFP_ZERO, _node)
/*
* Shortcuts
*/
-static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags)
-{
- return kmem_cache_alloc(k, flags | __GFP_ZERO);
-}
+#define kmem_cache_zalloc(_k, _flags) kmem_cache_alloc(_k, (_flags)|__GFP_ZERO)
/**
* kzalloc - allocate memory. The memory is set to zero.
* @size: how many bytes of memory are required.
* @flags: the type of memory to allocate (see kmalloc).
*/
-static inline __alloc_size(1) void *kzalloc(size_t size, gfp_t flags)
+static inline __alloc_size(1) void *kzalloc_noprof(size_t size, gfp_t flags)
{
- return kmalloc(size, flags | __GFP_ZERO);
+ return kmalloc_noprof(size, flags | __GFP_ZERO);
}
+#define kzalloc(...) alloc_hooks(kzalloc_noprof(__VA_ARGS__))
+#define kzalloc_node(_size, _flags, _node) kmalloc_node(_size, (_flags)|__GFP_ZERO, _node)
-/**
- * kzalloc_node - allocate zeroed memory from a particular memory node.
- * @size: how many bytes of memory are required.
- * @flags: the type of memory to allocate (see kmalloc).
- * @node: memory node from which to allocate
- */
-static inline __alloc_size(1) void *kzalloc_node(size_t size, gfp_t flags, int node)
-{
- return kmalloc_node(size, flags | __GFP_ZERO, node);
-}
+extern void *kvmalloc_node_noprof(size_t size, gfp_t flags, int node) __alloc_size(1);
+#define kvmalloc_node(...) alloc_hooks(kvmalloc_node_noprof(__VA_ARGS__))
-extern void *kvmalloc_node(size_t size, gfp_t flags, int node) __alloc_size(1);
-static inline __alloc_size(1) void *kvmalloc(size_t size, gfp_t flags)
-{
- return kvmalloc_node(size, flags, NUMA_NO_NODE);
-}
-static inline __alloc_size(1) void *kvzalloc_node(size_t size, gfp_t flags, int node)
-{
- return kvmalloc_node(size, flags | __GFP_ZERO, node);
-}
-static inline __alloc_size(1) void *kvzalloc(size_t size, gfp_t flags)
-{
- return kvmalloc(size, flags | __GFP_ZERO);
-}
+#define kvmalloc(_size, _flags) kvmalloc_node(_size, _flags, NUMA_NO_NODE)
+#define kvzalloc(_size, _flags) kvmalloc(_size, _flags|__GFP_ZERO)
-static inline __alloc_size(1, 2) void *kvmalloc_array(size_t n, size_t size, gfp_t flags)
-{
- size_t bytes;
-
- if (unlikely(check_mul_overflow(n, size, &bytes)))
- return NULL;
+#define kvzalloc_node(_size, _flags, _node) kvmalloc_node(_size, _flags|__GFP_ZERO, _node)
- return kvmalloc(bytes, flags);
-}
+#define kvmalloc_array(_n, _size, _flags) \
+({ \
+ size_t _bytes; \
+ \
+ !check_mul_overflow(_n, _size, &_bytes) ? kvmalloc(_bytes, _flags) : NULL; \
+})
-static inline __alloc_size(1, 2) void *kvcalloc(size_t n, size_t size, gfp_t flags)
-{
- return kvmalloc_array(n, size, flags | __GFP_ZERO);
-}
+#define kvcalloc(_n, _size, _flags) kvmalloc_array(_n, _size, _flags|__GFP_ZERO)
-extern void *kvrealloc(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
+extern void *kvrealloc_noprof(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
__realloc_size(3);
+#define kvrealloc(...) alloc_hooks(kvrealloc_noprof(__VA_ARGS__))
+
extern void kvfree(const void *addr);
extern void kvfree_sensitive(const void *addr, size_t len);
diff --git a/include/linux/string.h b/include/linux/string.h
index dbfc66400050..9516258d8117 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -176,7 +176,9 @@ extern void kfree_const(const void *x);
extern char *kstrdup(const char *s, gfp_t gfp) __malloc;
extern const char *kstrdup_const(const char *s, gfp_t gfp);
extern char *kstrndup(const char *s, size_t len, gfp_t gfp);
-extern void *kmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2);
+extern void *kmemdup_noprof(const void *src, size_t len, gfp_t gfp) __realloc_size(2);
+#define kmemdup(...) alloc_hooks(kmemdup_noprof(__VA_ARGS__))
+
extern void *kvmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2);
extern char *kmemdup_nul(const char *s, size_t len, gfp_t gfp);
diff --git a/mm/slab.c b/mm/slab.c
index 18923f5f05b5..f75519fa89b9 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3429,18 +3429,18 @@ void *__kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru,
return ret;
}
-void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
+void *kmem_cache_alloc_noprof(struct kmem_cache *cachep, gfp_t flags)
{
return __kmem_cache_alloc_lru(cachep, NULL, flags);
}
-EXPORT_SYMBOL(kmem_cache_alloc);
+EXPORT_SYMBOL(kmem_cache_alloc_noprof);
-void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru,
+void *kmem_cache_alloc_lru_noprof(struct kmem_cache *cachep, struct list_lru *lru,
gfp_t flags)
{
return __kmem_cache_alloc_lru(cachep, lru, flags);
}
-EXPORT_SYMBOL(kmem_cache_alloc_lru);
+EXPORT_SYMBOL(kmem_cache_alloc_lru_noprof);
static __always_inline void
cache_alloc_debugcheck_after_bulk(struct kmem_cache *s, gfp_t flags,
@@ -3452,8 +3452,8 @@ cache_alloc_debugcheck_after_bulk(struct kmem_cache *s, gfp_t flags,
p[i] = cache_alloc_debugcheck_after(s, flags, p[i], caller);
}
-int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
- void **p)
+int kmem_cache_alloc_bulk_noprof(struct kmem_cache *s, gfp_t flags, size_t size,
+ void **p)
{
struct obj_cgroup *objcg = NULL;
unsigned long irqflags;
@@ -3491,7 +3491,7 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
kmem_cache_free_bulk(s, i, p);
return 0;
}
-EXPORT_SYMBOL(kmem_cache_alloc_bulk);
+EXPORT_SYMBOL(kmem_cache_alloc_bulk_noprof);
/**
* kmem_cache_alloc_node - Allocate an object on the specified node
@@ -3506,7 +3506,7 @@ EXPORT_SYMBOL(kmem_cache_alloc_bulk);
*
* Return: pointer to the new object or %NULL in case of error
*/
-void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
+void *kmem_cache_alloc_node_noprof(struct kmem_cache *cachep, gfp_t flags, int nodeid)
{
void *ret = slab_alloc_node(cachep, NULL, flags, nodeid, cachep->object_size, _RET_IP_);
@@ -3514,7 +3514,7 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
return ret;
}
-EXPORT_SYMBOL(kmem_cache_alloc_node);
+EXPORT_SYMBOL(kmem_cache_alloc_node_noprof);
void *__kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags,
int nodeid, size_t orig_size,
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 446f406d2703..8ef5e47ff6a7 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -1077,24 +1077,24 @@ void *__do_kmalloc_node(size_t size, gfp_t flags, int node, unsigned long caller
return ret;
}
-void *__kmalloc_node(size_t size, gfp_t flags, int node)
+void *__kmalloc_node_noprof(size_t size, gfp_t flags, int node)
{
return __do_kmalloc_node(size, flags, node, _RET_IP_);
}
-EXPORT_SYMBOL(__kmalloc_node);
+EXPORT_SYMBOL(__kmalloc_node_noprof);
-void *__kmalloc(size_t size, gfp_t flags)
+void *__kmalloc_noprof(size_t size, gfp_t flags)
{
return __do_kmalloc_node(size, flags, NUMA_NO_NODE, _RET_IP_);
}
-EXPORT_SYMBOL(__kmalloc);
+EXPORT_SYMBOL(__kmalloc_noprof);
-void *__kmalloc_node_track_caller(size_t size, gfp_t flags,
- int node, unsigned long caller)
+void *kmalloc_node_track_caller_noprof(size_t size, gfp_t flags,
+ int node, unsigned long caller)
{
return __do_kmalloc_node(size, flags, node, caller);
}
-EXPORT_SYMBOL(__kmalloc_node_track_caller);
+EXPORT_SYMBOL(kmalloc_node_track_caller_noprof);
/**
* kfree - free previously allocated memory
@@ -1161,7 +1161,7 @@ size_t __ksize(const void *object)
return slab_ksize(folio_slab(folio)->slab_cache);
}
-void *kmalloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size)
+void *kmalloc_trace_noprof(struct kmem_cache *s, gfp_t gfpflags, size_t size)
{
void *ret = __kmem_cache_alloc_node(s, gfpflags, NUMA_NO_NODE,
size, _RET_IP_);
@@ -1171,9 +1171,9 @@ void *kmalloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size)
ret = kasan_kmalloc(s, ret, size, gfpflags);
return ret;
}
-EXPORT_SYMBOL(kmalloc_trace);
+EXPORT_SYMBOL(kmalloc_trace_noprof);
-void *kmalloc_node_trace(struct kmem_cache *s, gfp_t gfpflags,
+void *kmalloc_node_trace_noprof(struct kmem_cache *s, gfp_t gfpflags,
int node, size_t size)
{
void *ret = __kmem_cache_alloc_node(s, gfpflags, node, size, _RET_IP_);
@@ -1183,7 +1183,7 @@ void *kmalloc_node_trace(struct kmem_cache *s, gfp_t gfpflags,
ret = kasan_kmalloc(s, ret, size, gfpflags);
return ret;
}
-EXPORT_SYMBOL(kmalloc_node_trace);
+EXPORT_SYMBOL(kmalloc_node_trace_noprof);
gfp_t kmalloc_fix_flags(gfp_t flags)
{
@@ -1213,7 +1213,7 @@ static void *__kmalloc_large_node(size_t size, gfp_t flags, int node)
flags = kmalloc_fix_flags(flags);
flags |= __GFP_COMP;
- page = alloc_pages_node(node, flags, order);
+ page = alloc_pages_node_noprof(node, flags, order);
if (page) {
ptr = page_address(page);
mod_lruvec_page_state(page, NR_SLAB_UNRECLAIMABLE_B,
@@ -1228,7 +1228,7 @@ static void *__kmalloc_large_node(size_t size, gfp_t flags, int node)
return ptr;
}
-void *kmalloc_large(size_t size, gfp_t flags)
+void *kmalloc_large_noprof(size_t size, gfp_t flags)
{
void *ret = __kmalloc_large_node(size, flags, NUMA_NO_NODE);
@@ -1236,9 +1236,9 @@ void *kmalloc_large(size_t size, gfp_t flags)
flags, NUMA_NO_NODE);
return ret;
}
-EXPORT_SYMBOL(kmalloc_large);
+EXPORT_SYMBOL(kmalloc_large_noprof);
-void *kmalloc_large_node(size_t size, gfp_t flags, int node)
+void *kmalloc_large_node_noprof(size_t size, gfp_t flags, int node)
{
void *ret = __kmalloc_large_node(size, flags, node);
@@ -1246,7 +1246,7 @@ void *kmalloc_large_node(size_t size, gfp_t flags, int node)
flags, node);
return ret;
}
-EXPORT_SYMBOL(kmalloc_large_node);
+EXPORT_SYMBOL(kmalloc_large_node_noprof);
#ifdef CONFIG_SLAB_FREELIST_RANDOM
/* Randomize a generic freelist */
@@ -1460,7 +1460,7 @@ __do_krealloc(const void *p, size_t new_size, gfp_t flags)
return (void *)p;
}
- ret = kmalloc_track_caller(new_size, flags);
+ ret = kmalloc_node_track_caller_noprof(new_size, flags, NUMA_NO_NODE, _RET_IP_);
if (ret && p) {
/* Disable KASAN checks as the object's redzone is accessed. */
kasan_disable_current();
@@ -1484,7 +1484,7 @@ __do_krealloc(const void *p, size_t new_size, gfp_t flags)
*
* Return: pointer to the allocated memory or %NULL in case of error
*/
-void *krealloc(const void *p, size_t new_size, gfp_t flags)
+void *krealloc_noprof(const void *p, size_t new_size, gfp_t flags)
{
void *ret;
@@ -1499,7 +1499,7 @@ void *krealloc(const void *p, size_t new_size, gfp_t flags)
return ret;
}
-EXPORT_SYMBOL(krealloc);
+EXPORT_SYMBOL(krealloc_noprof);
/**
* kfree_sensitive - Clear sensitive information in memory before freeing
diff --git a/mm/slub.c b/mm/slub.c
index d16643492320..f5e07d8802e2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3497,18 +3497,18 @@ void *__kmem_cache_alloc_lru(struct kmem_cache *s, struct list_lru *lru,
return ret;
}
-void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
+void *kmem_cache_alloc_noprof(struct kmem_cache *s, gfp_t gfpflags)
{
return __kmem_cache_alloc_lru(s, NULL, gfpflags);
}
-EXPORT_SYMBOL(kmem_cache_alloc);
+EXPORT_SYMBOL(kmem_cache_alloc_noprof);
-void *kmem_cache_alloc_lru(struct kmem_cache *s, struct list_lru *lru,
+void *kmem_cache_alloc_lru_noprof(struct kmem_cache *s, struct list_lru *lru,
gfp_t gfpflags)
{
return __kmem_cache_alloc_lru(s, lru, gfpflags);
}
-EXPORT_SYMBOL(kmem_cache_alloc_lru);
+EXPORT_SYMBOL(kmem_cache_alloc_lru_noprof);
void *__kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags,
int node, size_t orig_size,
@@ -3518,7 +3518,7 @@ void *__kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags,
caller, orig_size);
}
-void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
+void *kmem_cache_alloc_node_noprof(struct kmem_cache *s, gfp_t gfpflags, int node)
{
void *ret = slab_alloc_node(s, NULL, gfpflags, node, _RET_IP_, s->object_size);
@@ -3526,7 +3526,7 @@ void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
return ret;
}
-EXPORT_SYMBOL(kmem_cache_alloc_node);
+EXPORT_SYMBOL(kmem_cache_alloc_node_noprof);
static noinline void free_to_partial_list(
struct kmem_cache *s, struct slab *slab,
@@ -3802,6 +3802,7 @@ static __fastpath_inline void slab_free(struct kmem_cache *s, struct slab *slab,
unsigned long addr)
{
memcg_slab_free_hook(s, slab, p, cnt);
+ alloc_tagging_slab_free_hook(s, slab, p, cnt);
/*
* With KASAN enabled slab_free_freelist_hook modifies the freelist
* to remove objects, whose reuse must be delayed.
@@ -4032,8 +4033,8 @@ static int __kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags,
#endif /* CONFIG_SLUB_TINY */
/* Note that interrupts must be enabled when calling this function. */
-int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
- void **p)
+int kmem_cache_alloc_bulk_noprof(struct kmem_cache *s, gfp_t flags, size_t size,
+ void **p)
{
int i;
struct obj_cgroup *objcg = NULL;
@@ -4057,7 +4058,7 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
slab_want_init_on_alloc(flags, s), s->object_size);
return i;
}
-EXPORT_SYMBOL(kmem_cache_alloc_bulk);
+EXPORT_SYMBOL(kmem_cache_alloc_bulk_noprof);
/*
diff --git a/mm/util.c b/mm/util.c
index 8cbbfd3a3d59..27ed6a5ac31a 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -115,7 +115,7 @@ char *kstrndup(const char *s, size_t max, gfp_t gfp)
EXPORT_SYMBOL(kstrndup);
/**
- * kmemdup - duplicate region of memory
+ * kmemdup_noprof - duplicate region of memory
*
* @src: memory region to duplicate
* @len: memory region length
@@ -124,16 +124,16 @@ EXPORT_SYMBOL(kstrndup);
* Return: newly allocated copy of @src or %NULL in case of error,
* result is physically contiguous. Use kfree() to free.
*/
-void *kmemdup(const void *src, size_t len, gfp_t gfp)
+void *kmemdup_noprof(const void *src, size_t len, gfp_t gfp)
{
void *p;
- p = kmalloc_track_caller(len, gfp);
+ p = kmalloc_node_track_caller_noprof(len, gfp, NUMA_NO_NODE, _RET_IP_);
if (p)
memcpy(p, src, len);
return p;
}
-EXPORT_SYMBOL(kmemdup);
+EXPORT_SYMBOL(kmemdup_noprof);
/**
* kvmemdup - duplicate region of memory
@@ -567,7 +567,7 @@ unsigned long vm_mmap(struct file *file, unsigned long addr,
EXPORT_SYMBOL(vm_mmap);
/**
- * kvmalloc_node - attempt to allocate physically contiguous memory, but upon
+ * kvmalloc_node_noprof - attempt to allocate physically contiguous memory, but upon
* failure, fall back to non-contiguous (vmalloc) allocation.
* @size: size of the request.
* @flags: gfp mask for the allocation - must be compatible (superset) with GFP_KERNEL.
@@ -582,7 +582,7 @@ EXPORT_SYMBOL(vm_mmap);
*
* Return: pointer to the allocated memory of %NULL in case of failure
*/
-void *kvmalloc_node(size_t size, gfp_t flags, int node)
+void *kvmalloc_node_noprof(size_t size, gfp_t flags, int node)
{
gfp_t kmalloc_flags = flags;
void *ret;
@@ -604,7 +604,7 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
kmalloc_flags &= ~__GFP_NOFAIL;
}
- ret = kmalloc_node(size, kmalloc_flags, node);
+ ret = kmalloc_node_noprof(size, kmalloc_flags, node);
/*
* It doesn't really make sense to fallback to vmalloc for sub page
@@ -633,7 +633,7 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
flags, PAGE_KERNEL, VM_ALLOW_HUGE_VMAP,
node, __builtin_return_address(0));
}
-EXPORT_SYMBOL(kvmalloc_node);
+EXPORT_SYMBOL(kvmalloc_node_noprof);
/**
* kvfree() - Free memory.
@@ -672,7 +672,7 @@ void kvfree_sensitive(const void *addr, size_t len)
}
EXPORT_SYMBOL(kvfree_sensitive);
-void *kvrealloc(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
+void *kvrealloc_noprof(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
{
void *newp;
@@ -685,7 +685,7 @@ void *kvrealloc(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
kvfree(p);
return newp;
}
-EXPORT_SYMBOL(kvrealloc);
+EXPORT_SYMBOL(kvrealloc_noprof);
/**
* __vmalloc_array - allocate memory for a virtually contiguous array.
--
2.42.0.758.gaed0368e0e-goog
next prev parent reply other threads:[~2023-10-24 13:47 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-24 13:45 [PATCH v2 00/39] Memory allocation profiling Suren Baghdasaryan
2023-10-24 13:45 ` [PATCH v2 01/39] lib/string_helpers: Add flags param to string_get_size() Suren Baghdasaryan
2023-10-24 14:26 ` Andy Shevchenko
2023-10-24 17:08 ` Suren Baghdasaryan
2023-10-24 19:46 ` Kent Overstreet
2023-10-26 13:12 ` Andy Shevchenko
2023-10-26 18:44 ` Kent Overstreet
2023-10-30 20:07 ` Andy Shevchenko
2023-10-30 22:35 ` Kent Overstreet
2023-10-24 13:45 ` [PATCH v2 02/39] scripts/kallysms: Always include __start and __stop symbols Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 03/39] fs: Convert alloc_inode_sb() to a macro Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 04/39] nodemask: Split out include/linux/nodemask_types.h Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 05/39] prandom: Remove unused include Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 06/39] mm: enumerate all gfp flags Suren Baghdasaryan
2023-10-25 5:46 ` Petr Tesařík
2023-10-25 15:28 ` Suren Baghdasaryan
2023-10-28 17:21 ` Petr Tesařík
2023-10-24 13:46 ` [PATCH v2 07/39] mm: introduce slabobj_ext to support slab object extensions Suren Baghdasaryan
2023-10-24 21:35 ` kernel test robot
2023-10-25 4:54 ` kernel test robot
2023-10-24 13:46 ` [PATCH v2 08/39] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 09/39] mm/slab: introduce SLAB_NO_OBJ_EXT to avoid obj_ext creation Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 10/39] mm: prevent slabobj_ext allocations for slabobj_ext and kmem_cache objects Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 11/39] slab: objext: introduce objext_flags as extension to page_memcg_data_flags Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 12/39] lib: code tagging framework Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 13/39] lib: code tagging module support Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 14/39] lib: prevent module unloading if memory is not freed Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 15/39] lib: add allocation tagging support for memory allocation profiling Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 16/39] lib: introduce support for page allocation tagging Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 17/39] change alloc_pages name in dma_map_ops to avoid name conflicts Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 18/39] change alloc_pages name in ivpu_bo_ops to avoid conflicts Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 19/39] mm: enable page allocation tagging Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 20/39] mm: create new codetag references during page splitting Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 21/39] mm/page_ext: enable early_page_ext when CONFIG_MEM_ALLOC_PROFILING_DEBUG=y Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 22/39] lib: add codetag reference into slabobj_ext Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 23/39] mm/slab: add allocation accounting into slab allocation and free paths Suren Baghdasaryan
2023-10-24 13:46 ` Suren Baghdasaryan [this message]
2023-10-24 22:40 ` [PATCH v2 24/39] mm/slab: enable slab allocation tagging for kmalloc and friends kernel test robot
2023-10-24 13:46 ` [PATCH v2 25/39] mm/slub: Mark slab_free_freelist_hook() __always_inline Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 26/39] mempool: Hook up to memory allocation profiling Suren Baghdasaryan
2023-10-24 23:43 ` kernel test robot
2023-10-24 13:46 ` [PATCH v2 27/39] xfs: Memory allocation profiling fixups Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 28/39] timekeeping: Fix a circular include dependency Suren Baghdasaryan
2023-10-25 17:33 ` Thomas Gleixner
2023-10-26 18:33 ` Suren Baghdasaryan
2023-10-26 23:05 ` Thomas Gleixner
2023-10-26 23:54 ` Kent Overstreet
2023-10-27 6:35 ` Arnd Bergmann
2023-10-27 15:28 ` Nick Desaulniers
2023-10-24 13:46 ` [PATCH v2 29/39] mm: percpu: Introduce pcpuobj_ext Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 30/39] mm: percpu: Add codetag reference into pcpuobj_ext Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 31/39] mm: percpu: enable per-cpu allocation tagging Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 32/39] arm64: Fix circular header dependency Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 33/39] mm: vmalloc: Enable memory allocation profiling Suren Baghdasaryan
2023-10-24 17:08 ` kernel test robot
2023-10-25 0:58 ` kernel test robot
2023-10-24 13:46 ` [PATCH v2 34/39] rhashtable: Plumb through alloc tag Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 35/39] lib: add memory allocations report in show_mem() Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 36/39] codetag: debug: skip objext checking when it's for objext itself Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 37/39] codetag: debug: mark codetags for reserved pages as empty Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 38/39] codetag: debug: introduce OBJEXTS_ALLOC_FAIL to mark failed slab_ext allocations Suren Baghdasaryan
2023-10-24 13:46 ` [PATCH v2 39/39] MAINTAINERS: Add entries for code tagging and memory allocation profiling Suren Baghdasaryan
2023-10-24 18:29 ` [PATCH v2 00/39] Memory " Roman Gushchin
2023-10-24 18:38 ` Suren Baghdasaryan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231024134637.3120277-25-surenb@google.com \
--to=surenb@google.com \
--cc=42.hyeyoo@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=andreyknvl@gmail.com \
--cc=arnd@arndb.de \
--cc=axboe@kernel.dk \
--cc=bristot@redhat.com \
--cc=bsegall@google.com \
--cc=catalin.marinas@arm.com \
--cc=cgroups@vger.kernel.org \
--cc=cl@linux.com \
--cc=corbet@lwn.net \
--cc=dave.hansen@linux.intel.com \
--cc=dave@stgolabs.net \
--cc=david@redhat.com \
--cc=dennis@kernel.org \
--cc=dhowells@redhat.com \
--cc=dietmar.eggemann@arm.com \
--cc=dvyukov@google.com \
--cc=ebiggers@google.com \
--cc=elver@google.com \
--cc=glider@google.com \
--cc=gregkh@linuxfoundation.org \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=iamjoonsoo.kim@lge.com \
--cc=iommu@lists.linux.dev \
--cc=jbaron@akamai.com \
--cc=juri.lelli@redhat.com \
--cc=kaleshsingh@google.com \
--cc=kasan-dev@googlegroups.com \
--cc=keescook@chromium.org \
--cc=kent.overstreet@linux.dev \
--cc=kernel-team@android.com \
--cc=ldufour@linux.ibm.com \
--cc=liam.howlett@oracle.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-modules@vger.kernel.org \
--cc=masahiroy@kernel.org \
--cc=mcgrof@kernel.org \
--cc=mgorman@suse.de \
--cc=mhocko@suse.com \
--cc=minchan@google.com \
--cc=mingo@redhat.com \
--cc=muchun.song@linux.dev \
--cc=nathan@kernel.org \
--cc=ndesaulniers@google.com \
--cc=pasha.tatashin@soleen.com \
--cc=paulmck@kernel.org \
--cc=penberg@kernel.org \
--cc=peterx@redhat.com \
--cc=peterz@infradead.org \
--cc=rientjes@google.com \
--cc=roman.gushchin@linux.dev \
--cc=rostedt@goodmis.org \
--cc=rppt@kernel.org \
--cc=shakeelb@google.com \
--cc=songmuchun@bytedance.com \
--cc=tglx@linutronix.de \
--cc=tj@kernel.org \
--cc=vbabka@suse.cz \
--cc=vincent.guittot@linaro.org \
--cc=void@manifault.com \
--cc=vschneid@redhat.com \
--cc=vvvvvv@google.com \
--cc=will@kernel.org \
--cc=willy@infradead.org \
--cc=x86@kernel.org \
--cc=yosryahmed@google.com \
--cc=ytcoode@gmail.com \
--cc=yuzhao@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.