Commit 9fa001cf authored by Roman Gushchin's avatar Roman Gushchin Committed by Andrew Morton
Browse files

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

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: default avatarRoman Gushchin <roman.gushchin@linux.dev>
Suggested-by: default avatarShakeel Butt <shakeel.butt@linux.dev>
Acked-by: default avatarShakeel 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent f6a6de24

include/linux/memcontrol.h

+0 −4
Original line number Diff line number Diff line
@@ -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.

	 */