[PATCH 1/2] mm: memcg: drop obsolete cache line padding in struct mem_cgroup

Roman Gushchin
2024-07-01T18:59:48Z

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.

Suggested-by: Shakeel Butt <shakeel.butt@linux.dev>
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
---
include/linux/memcontrol.h | 4 ----
1 file changed, 4 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index d0c9365ff039..8b5b3ddeba05 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -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.
*/
--
2.45.2.803.g4e1b14247a-goog