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* [merged mm-stable] mm-memcg-v1-account-vmpressure-event-allocations.patch removed from -mm tree
@ 2026-08-07  2:00 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2026-08-07  2:00 UTC (permalink / raw)
  To: mm-commits, shakeel.butt, roman.gushchin, muchun.song, mhocko,
	hannes, cuitao, zhangguopeng, akpm


The quilt patch titled
     Subject: mm: memcg-v1: account vmpressure event allocations
has been removed from the -mm tree.  Its filename was
     mm-memcg-v1-account-vmpressure-event-allocations.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: Guopeng Zhang <zhangguopeng@kylinos.cn>
Subject: mm: memcg-v1: account vmpressure event allocations
Date: Mon, 13 Jul 2026 16:55:20 +0800

Commit 72797d218b43 ("mm/memcg: v1: account event registrations and drop
world-writable cgroup.event_control") accounted cgroup v1 event
registration allocations with GFP_KERNEL_ACCOUNT, but missed struct
vmpressure_event.

Use GFP_KERNEL_ACCOUNT for this allocation as well.

Link: https://lore.kernel.org/20260713085520.2953121-1-guopeng.zhang@linux.dev
Fixes: 72797d218b43 ("mm/memcg: v1: account event registrations and drop world-writable cgroup.event_control")
Signed-off-by: Guopeng Zhang <zhangguopeng@kylinos.cn>
Acked-by: Tao Cui <cuitao@kylinos.cn>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memcontrol-v1.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/memcontrol-v1.c~mm-memcg-v1-account-vmpressure-event-allocations
+++ a/mm/memcontrol-v1.c
@@ -1721,7 +1721,7 @@ int vmpressure_register_event(struct mem
 		mode = ret;
 	}
 
-	ev = kzalloc_obj(*ev);
+	ev = kzalloc_obj(*ev, GFP_KERNEL_ACCOUNT);
 	if (!ev) {
 		ret = -ENOMEM;
 		goto out;
_

Patches currently in -mm which might be from zhangguopeng@kylinos.cn are

mm-memcg-stop-reclaim-when-a-limit-update-is-superseded.patch


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2026-08-07  2:00 [merged mm-stable] mm-memcg-v1-account-vmpressure-event-allocations.patch removed from -mm tree Andrew Morton

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