The patch titled
Subject: memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order
has been added to the -mm mm-unstable branch. Its filename is
memcg-oom-cleanup-unused-memcg_oom_gfp_mask-and-memcg_oom_order.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/memcg-oom-cleanup-unused-memcg_oom_gfp_mask-and-memcg_oom_order.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
Subject: memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order
Date: Thu, 9 May 2024 03:26:28 +0000
Since commit 857f21397f71 ("memcg, oom: remove unnecessary check in
mem_cgroup_oom_synchronize()"), memcg_oom_gfp_mask and memcg_oom_order are
no longer used any more.
Link: https://lkml.kernel.org/r/20240509032628.1217652-1-xiujianfeng@xxxxxxxxxx
Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Shakeel Butt <shakeelb@xxxxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Benjamin Segall <bsegall@xxxxxxxxxx>
Cc: Daniel Bristot de Oliveira <bristot@xxxxxxxxxx>
Cc: Dietmar Eggemann <dietmar.eggemann@xxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Juri Lelli <juri.lelli@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
Cc: Valentin Schneider <vschneid@xxxxxxxxxx>
Cc: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/sched.h | 2 --
mm/memcontrol.c | 2 --
2 files changed, 4 deletions(-)
--- a/include/linux/sched.h~memcg-oom-cleanup-unused-memcg_oom_gfp_mask-and-memcg_oom_order
+++ a/include/linux/sched.h
@@ -1448,8 +1448,6 @@ struct task_struct {
#ifdef CONFIG_MEMCG
struct mem_cgroup *memcg_in_oom;
- gfp_t memcg_oom_gfp_mask;
- int memcg_oom_order;
/* Number of pages to reclaim on returning to userland: */
unsigned int memcg_nr_pages_over_high;
--- a/mm/memcontrol.c~memcg-oom-cleanup-unused-memcg_oom_gfp_mask-and-memcg_oom_order
+++ a/mm/memcontrol.c
@@ -2188,8 +2188,6 @@ static bool mem_cgroup_oom(struct mem_cg
if (current->in_user_fault) {
css_get(&memcg->css);
current->memcg_in_oom = memcg;
- current->memcg_oom_gfp_mask = mask;
- current->memcg_oom_order = order;
}
return false;
}
_
Patches currently in -mm which might be from xiujianfeng@xxxxxxxxxx are
mm-memcg-make-alloc_mem_cgroup_per_node_info-return-bool.patch
memcg-oom-cleanup-unused-memcg_oom_gfp_mask-and-memcg_oom_order.patch
