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mm: memcontrol: account pagetables per node

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For many workloads, pagetable consumption is significant and it makes
sense to expose it in the memory.stat for the memory cgroups.  However at
the moment, the pagetables are accounted per-zone.  Converting them to
per-node and using the right interface will correctly account for the
memory cgroups as well.

[akpm@linux-foundation.org: export __mod_lruvec_page_state to modules for arch/mips/kvm/]

Link: https://lkml.kernel.org/r/20201130212541.2781790-3-shakeelb@google.com
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Shakeel Butt
2020-12-14 19:07:17 -08:00
committed by Linus Torvalds
parent c47d5032ed
commit f0c0c115fb
9 changed files with 19 additions and 14 deletions
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6
mm/page_alloc.c
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@@ -5465,7 +5465,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
global_node_page_state_pages(NR_SLAB_UNRECLAIMABLE_B),
global_node_page_state(NR_FILE_MAPPED),
global_node_page_state(NR_SHMEM),
global_zone_page_state(NR_PAGETABLE),
global_node_page_state(NR_PAGETABLE),
global_zone_page_state(NR_BOUNCE),
global_zone_page_state(NR_FREE_PAGES),
free_pcp,
@@ -5497,6 +5497,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
#ifdef CONFIG_SHADOW_CALL_STACK
" shadow_call_stack:%lukB"
#endif
" pagetables:%lukB"
" all_unreclaimable? %s"
"\n",
pgdat->node_id,
@@ -5522,6 +5523,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
#ifdef CONFIG_SHADOW_CALL_STACK
node_page_state(pgdat, NR_KERNEL_SCS_KB),
#endif
K(node_page_state(pgdat, NR_PAGETABLE)),
pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES ?
"yes" : "no");
}
@@ -5553,7 +5555,6 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
" present:%lukB"
" managed:%lukB"
" mlocked:%lukB"
" pagetables:%lukB"
" bounce:%lukB"
" free_pcp:%lukB"
" local_pcp:%ukB"
@@ -5574,7 +5575,6 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
K(zone->present_pages),
K(zone_managed_pages(zone)),
K(zone_page_state(zone, NR_MLOCK)),
K(zone_page_state(zone, NR_PAGETABLE)),
K(zone_page_state(zone, NR_BOUNCE)),
K(free_pcp),
K(this_cpu_read(zone->pageset->pcp.count)),