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authorShakeel Butt <shakeelb@google.com>2020-08-06 23:21:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-07 11:33:25 -0700
commit991e7673859ed41e7ba83c8c4e57afe8cfebe314 (patch)
treeaa52b23335d5c32f8ece153f5e9b164729a6fbd4 /fs
parentfbc1ac9d09d70859eee24131d667e01e3986e368 (diff)
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 'fs')
-rw-r--r--fs/proc/meminfo.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 38ea95fd919a..2a4c58f70fb9 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -101,10 +101,10 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
show_val_kb(m, "SReclaimable: ", sreclaimable);
show_val_kb(m, "SUnreclaim: ", sunreclaim);
seq_printf(m, "KernelStack: %8lu kB\n",
- global_zone_page_state(NR_KERNEL_STACK_KB));
+ global_node_page_state(NR_KERNEL_STACK_KB));
#ifdef CONFIG_SHADOW_CALL_STACK
seq_printf(m, "ShadowCallStack:%8lu kB\n",
- global_zone_page_state(NR_KERNEL_SCS_KB));
+ global_node_page_state(NR_KERNEL_SCS_KB));
#endif
show_val_kb(m, "PageTables: ",
global_zone_page_state(NR_PAGETABLE));