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mm: memcg: drop obsolete cache line padding in struct mem_cgroup

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After the grouping of the cgroup v1-related fields and the corresponding
reorganization of the struct mem_cgroup, the existing cache line padding
doesn't make much sense anymore.  Let's drop it for now and put back to
new places, if necessary.

Link: https://lkml.kernel.org/r/20240701185932.704807-1-roman.gushchin@linux.dev
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Suggested-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Roman Gushchin 2024-07-01 18:59:31 +00:00 committed by Andrew Morton
parent f6a6de245f
commit 9fa001cf3b
1 changed files with 0 additions and 4 deletions
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4
include/linux/memcontrol.h
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@ -220,8 +220,6 @@ struct mem_cgroup {
/* handle for "memory.swap.events" */
struct cgroup_file swap_events_file;
CACHELINE_PADDING(_pad1_);
/* memory.stat */
struct memcg_vmstats *vmstats;
@ -305,8 +303,6 @@ struct mem_cgroup {
bool tcpmem_active;
int tcpmem_pressure;
CACHELINE_PADDING(_pad2_);
/*
* set > 0 if pages under this cgroup are moving to other cgroup.
*/