From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,yuanchu@google.com,willy@infradead.org,weixugc@google.com,vbabka@kernel.org,surenb@google.com,shikemeng@huaweicloud.com,shakeel.butt@linux.dev,rppt@kernel.org,roman.gushchin@linux.dev,nphamcs@gmail.com,muchun.song@linux.dev,mhocko@kernel.org,ljs@kernel.org,liam@infradead.org,kasong@tencent.com,hannes@cmpxchg.org,david@kernel.org,chrisl@kernel.org,baoquan.he@linux.dev,baolin.wang@linux.alibaba.com,baohua@kernel.org,axelrasmussen@google.com,tz2294@columbia.edu,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-memcontrol-constify-the-reclaim-protection-helpers.patch removed from -mm tree
Date: Mon, 12 Oct 2026 21:32:32 -0700 [thread overview]
Message-ID: <20261013043233.463B21F000FF@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm: memcontrol: constify the reclaim protection helpers
has been removed from the -mm tree. Its filename was
mm-memcontrol-constify-the-reclaim-protection-helpers.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Tal Zussman <tz2294@columbia.edu>
Subject: mm: memcontrol: constify the reclaim protection helpers
Date: Tue, 15 Sep 2026 19:20:11 -0400
mem_cgroup_protection(), mem_cgroup_unprotected(), mem_cgroup_below_low(),
and mem_cgroup_below_min() only read the protection state. Constify them.
Link: https://lore.kernel.org/20260915-folio_memcg-const-v3-7-c239a6010b58@columbia.edu
Signed-off-by: Tal Zussman <tz2294@columbia.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Muchun Song <muchun.song@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Baoquan He <baoquan.he@linux.dev>
Cc: Barry Song <baohua@kernel.org>
Cc: Chris Li <chrisl@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kairui Song <kasong@tencent.com>
Cc: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Xu <weixugc@google.com>
Cc: Yuanchu Xie <yuanchu@google.com>
---
include/linux/memcontrol.h | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
--- a/include/linux/memcontrol.h~mm-memcontrol-constify-the-reclaim-protection-helpers
+++ a/include/linux/memcontrol.h
@@ -570,8 +570,8 @@ static inline bool mem_cgroup_disabled(v
return !cgroup_subsys_enabled(memory_cgrp_subsys);
}
-static inline void mem_cgroup_protection(struct mem_cgroup *root,
- struct mem_cgroup *memcg,
+static inline void mem_cgroup_protection(const struct mem_cgroup *root,
+ const struct mem_cgroup *memcg,
unsigned long *min,
unsigned long *low,
unsigned long *usage)
@@ -625,8 +625,8 @@ static inline void mem_cgroup_protection
void mem_cgroup_calculate_protection(struct mem_cgroup *root,
struct mem_cgroup *memcg);
-static inline bool mem_cgroup_unprotected(struct mem_cgroup *target,
- struct mem_cgroup *memcg)
+static inline bool mem_cgroup_unprotected(const struct mem_cgroup *target,
+ const struct mem_cgroup *memcg)
{
/*
* The root memcg doesn't account charges, and doesn't support
@@ -637,8 +637,8 @@ static inline bool mem_cgroup_unprotecte
memcg == target;
}
-static inline bool mem_cgroup_below_low(struct mem_cgroup *target,
- struct mem_cgroup *memcg)
+static inline bool mem_cgroup_below_low(const struct mem_cgroup *target,
+ const struct mem_cgroup *memcg)
{
if (mem_cgroup_unprotected(target, memcg))
return false;
@@ -647,8 +647,8 @@ static inline bool mem_cgroup_below_low(
page_counter_read(&memcg->memory);
}
-static inline bool mem_cgroup_below_min(struct mem_cgroup *target,
- struct mem_cgroup *memcg)
+static inline bool mem_cgroup_below_min(const struct mem_cgroup *target,
+ const struct mem_cgroup *memcg)
{
if (mem_cgroup_unprotected(target, memcg))
return false;
@@ -1149,8 +1149,8 @@ static inline void memcg_memory_event_mm
{
}
-static inline void mem_cgroup_protection(struct mem_cgroup *root,
- struct mem_cgroup *memcg,
+static inline void mem_cgroup_protection(const struct mem_cgroup *root,
+ const struct mem_cgroup *memcg,
unsigned long *min,
unsigned long *low,
unsigned long *usage)
@@ -1163,19 +1163,19 @@ static inline void mem_cgroup_calculate_
{
}
-static inline bool mem_cgroup_unprotected(struct mem_cgroup *target,
- struct mem_cgroup *memcg)
+static inline bool mem_cgroup_unprotected(const struct mem_cgroup *target,
+ const struct mem_cgroup *memcg)
{
return true;
}
-static inline bool mem_cgroup_below_low(struct mem_cgroup *target,
- struct mem_cgroup *memcg)
+static inline bool mem_cgroup_below_low(const struct mem_cgroup *target,
+ const struct mem_cgroup *memcg)
{
return false;
}
-static inline bool mem_cgroup_below_min(struct mem_cgroup *target,
- struct mem_cgroup *memcg)
+static inline bool mem_cgroup_below_min(const struct mem_cgroup *target,
+ const struct mem_cgroup *memcg)
{
return false;
}
_
Patches currently in -mm which might be from tz2294@columbia.edu are
reply other threads:[~2026-10-13 4:32 UTC|newest]
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