+ memcg-optimize-exit-to-user-space-fix.patch added to mm-new branch

+ memcg-optimize-exit-to-user-space-fix.patch added to mm-new branch

[Andrew Morton]

The patch titled
     Subject: memcg-optimize-exit-to-user-space-fix
has been added to the -mm mm-new branch.  Its filename is
     memcg-optimize-exit-to-user-space-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/memcg-optimize-exit-to-user-space-fix.patch

This patch will later appear in the mm-new branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews.  Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: memcg-optimize-exit-to-user-space-fix
Date: Wed Aug 13 03:38:42 PM PDT 2025

remove now-unneeded test of memcg_nr_pages_over_high==0, per Shakeel

Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memcontrol.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/mm/memcontrol.c~memcg-optimize-exit-to-user-space-fix
+++ a/mm/memcontrol.c
@@ -2213,9 +2213,6 @@ void __mem_cgroup_handle_over_high(gfp_t
 	struct mem_cgroup *memcg;
 	bool in_retry = false;
 
-	if (likely(!nr_pages))
-		return;
-
 	memcg = get_mem_cgroup_from_mm(current->mm);
 	current->memcg_nr_pages_over_high = 0;
 
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-damon-core-skip-needless-update-of-damon_attrs-in-damon_commit_ctx-fix.patch
mm-convert-core-mm-to-mm_flags_-accessors-fix.patch
memcg-optimize-exit-to-user-space-fix.patch