From: Kevin Brodsky <kevin.brodsky@arm.com>
To: linux-mm@kvack.org
Cc: Kevin Brodsky <kevin.brodsky@arm.com>,
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Subject: [PATCH 02/22] mm: move mm_flags helpers to mm_types.h
Date: Tue, 14 Jul 2026 15:03:51 +0100 [thread overview]
Message-ID: <20260714-remove_pgtable_cdtor-v1-2-44be8a7685d7@arm.com> (raw)
In-Reply-To: <20260714-remove_pgtable_cdtor-v1-0-44be8a7685d7@arm.com>
Some of the mm_flags helpers are defined in <linux/mm_types.h>,
while others are defined in <linux/mm.h>. We will soon need to call
one of the latter helpers from mm_types.h.
Regroup all the helpers in mm_types.h to keep things simple.
Also remove #include's that were added specifically for these
helpers in mm.h.
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
---
include/linux/mm.h | 32 --------------------------------
include/linux/mm_types.h | 30 ++++++++++++++++++++++++++++++
2 files changed, 30 insertions(+), 32 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 32bb723ffbb9..7a4b8e7ac8f4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -34,8 +34,6 @@
#include <linux/slab.h>
#include <linux/cacheinfo.h>
#include <linux/rcuwait.h>
-#include <linux/bitmap.h>
-#include <linux/bitops.h>
#include <linux/iommu-debug-pagealloc.h>
#include <linux/kcsan-checks.h>
@@ -948,36 +946,6 @@ static inline void assert_fault_locked(const struct vm_fault *vmf)
}
#endif /* CONFIG_PER_VMA_LOCK */
-static inline bool mm_flags_test(int flag, const struct mm_struct *mm)
-{
- return test_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
-}
-
-static inline bool mm_flags_test_and_set(int flag, struct mm_struct *mm)
-{
- return test_and_set_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
-}
-
-static inline bool mm_flags_test_and_clear(int flag, struct mm_struct *mm)
-{
- return test_and_clear_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
-}
-
-static inline void mm_flags_set(int flag, struct mm_struct *mm)
-{
- set_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
-}
-
-static inline void mm_flags_clear(int flag, struct mm_struct *mm)
-{
- clear_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
-}
-
-static inline void mm_flags_clear_all(struct mm_struct *mm)
-{
- bitmap_zero(ACCESS_PRIVATE(&mm->flags, __mm_flags), NUM_MM_FLAG_BITS);
-}
-
extern const struct vm_operations_struct vma_dummy_vm_ops;
static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index b4129beb9c4a..a2e0dc5892ff 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1414,6 +1414,36 @@ struct mm_struct {
char flexible_array[] __aligned(__alignof__(unsigned long));
};
+static inline bool mm_flags_test(int flag, const struct mm_struct *mm)
+{
+ return test_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
+}
+
+static inline bool mm_flags_test_and_set(int flag, struct mm_struct *mm)
+{
+ return test_and_set_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
+}
+
+static inline bool mm_flags_test_and_clear(int flag, struct mm_struct *mm)
+{
+ return test_and_clear_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
+}
+
+static inline void mm_flags_set(int flag, struct mm_struct *mm)
+{
+ set_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
+}
+
+static inline void mm_flags_clear(int flag, struct mm_struct *mm)
+{
+ clear_bit(flag, ACCESS_PRIVATE(&mm->flags, __mm_flags));
+}
+
+static inline void mm_flags_clear_all(struct mm_struct *mm)
+{
+ bitmap_zero(ACCESS_PRIVATE(&mm->flags, __mm_flags), NUM_MM_FLAG_BITS);
+}
+
/* Copy value to the first system word of mm flags, non-atomically. */
static inline void __mm_flags_overwrite_word(struct mm_struct *mm, unsigned long value)
{
--
2.51.2
next prev parent reply other threads:[~2026-07-14 14:05 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-14 14:03 [PATCH 00/22] Simplify special kernel page table handling Kevin Brodsky
2026-07-14 14:03 ` [PATCH 01/22] mm: drop unused __mm_flags_set_mask_bits_word() Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky [this message]
2026-07-14 14:03 ` [PATCH 03/22] mm: introduce MMF_KERNEL flag and set it for init_mm Kevin Brodsky
2026-07-14 14:47 ` Dave Hansen
2026-07-14 15:04 ` Lorenzo Stoakes (ARM)
2026-07-14 14:03 ` [PATCH 04/22] mm: use mm_is_kernel() in generic page table code Kevin Brodsky
2026-07-14 14:28 ` sashiko-bot
2026-07-14 14:03 ` [PATCH 05/22] arm64: mm: use mm_is_kernel() for kernel mm checks Kevin Brodsky
2026-07-14 14:03 ` [PATCH 06/22] loongarch: mm: use mm_is_kernel() in switch_mm_irqs_off() Kevin Brodsky
2026-07-14 14:03 ` [PATCH 07/22] parisc: mm: use mm_is_kernel() for kernel mm checks Kevin Brodsky
2026-07-14 14:03 ` [PATCH 08/22] powerpc: " Kevin Brodsky
2026-07-14 14:03 ` [PATCH 09/22] s390: " Kevin Brodsky
2026-07-14 14:03 ` [PATCH 10/22] sparc: " Kevin Brodsky
2026-07-14 14:04 ` [PATCH 11/22] um: mm: use mm_is_kernel() in TLB sync Kevin Brodsky
2026-07-14 14:04 ` [PATCH 12/22] x86/mm: use mm_is_kernel() for kernel mm checks Kevin Brodsky
2026-07-14 15:09 ` Dave Hansen
2026-07-14 14:04 ` [PATCH 13/22] mm: account page table pages when allocated Kevin Brodsky
2026-07-14 14:54 ` sashiko-bot
2026-07-14 14:04 ` [PATCH 14/22] mm: set page table page type " Kevin Brodsky
2026-07-14 14:54 ` sashiko-bot
2026-07-14 15:16 ` Vishal Moola
2026-07-14 14:04 ` [PATCH 15/22] mm: only initialise pt_share_count for user pgtables Kevin Brodsky
2026-07-14 14:04 ` [PATCH 16/22] efi: mark efi_mm as a kernel mm Kevin Brodsky
2026-07-14 15:16 ` sashiko-bot
2026-07-14 14:04 ` [PATCH 17/22] mm: pagewalk: drop redundant address check for kernel mm walks Kevin Brodsky
2026-07-14 14:42 ` sashiko-bot
2026-07-14 14:04 ` [PATCH 18/22] arm64: mm: drop explicit mm_is_efi() check in contpte Kevin Brodsky
2026-07-14 14:04 ` [PATCH 19/22] x86/tboot: mark tboot_mm as a kernel mm Kevin Brodsky
2026-07-14 15:19 ` Dave Hansen
2026-07-14 14:04 ` [PATCH 20/22] arm64: mm: drop ctor/dtor calls for kernel page tables Kevin Brodsky
2026-07-14 14:56 ` sashiko-bot
2026-07-14 14:04 ` [PATCH 21/22] arm: mm: drop ctor call " Kevin Brodsky
2026-07-14 14:04 ` [PATCH 22/22] riscv: mm: drop ctor/dtor calls " Kevin Brodsky
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