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authorShakeel Butt <shakeelb@google.com>2020-08-07 09:21:37 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-07 21:33:25 +0300
commit991e7673859ed41e7ba83c8c4e57afe8cfebe314 (patch)
treeaa52b23335d5c32f8ece153f5e9b164729a6fbd4 /mm/vmstat.c
parentfbc1ac9d09d70859eee24131d667e01e3986e368 (diff)
downloadlinux-991e7673859ed41e7ba83c8c4e57afe8cfebe314.tar.xz
mm: memcontrol: account kernel stack per node
Currently the kernel stack is being accounted per-zone. There is no need to do that. In addition due to being per-zone, memcg has to keep a separate MEMCG_KERNEL_STACK_KB. Make the stat per-node and deprecate MEMCG_KERNEL_STACK_KB as memcg_stat_item is an extension of node_stat_item. In addition localize the kernel stack stats updates to account_kernel_stack(). Signed-off-by: Shakeel Butt <shakeelb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Roman Gushchin <guro@fb.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Link: http://lkml.kernel.org/r/20200630161539.1759185-1-shakeelb@google.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index b171a76bfe83..2b866cbab11d 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1140,10 +1140,6 @@ const char * const vmstat_text[] = {
"nr_zone_write_pending",
"nr_mlock",
"nr_page_table_pages",
- "nr_kernel_stack",
-#if IS_ENABLED(CONFIG_SHADOW_CALL_STACK)
- "nr_shadow_call_stack",
-#endif
"nr_bounce",
#if IS_ENABLED(CONFIG_ZSMALLOC)
"nr_zspages",
@@ -1194,6 +1190,10 @@ const char * const vmstat_text[] = {
"nr_kernel_misc_reclaimable",
"nr_foll_pin_acquired",
"nr_foll_pin_released",
+ "nr_kernel_stack",
+#if IS_ENABLED(CONFIG_SHADOW_CALL_STACK)
+ "nr_shadow_call_stack",
+#endif
/* enum writeback_stat_item counters */
"nr_dirty_threshold",