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mm: memcontrol: account slab stats per lruvec

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Josef's redesign of the balancing between slab caches and the page cache
requires slab cache statistics at the lruvec level.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Johannes Weiner <[email protected]>
Acked-by: Vladimir Davydov <[email protected]>
Cc: Josef Bacik <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Rik van Riel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Johannes Weiner 2017-07-06 15:40:55 -07:00 • committed by Linus Torvalds
commit 7779f21236
3 changed files with 7 additions and 27 deletions
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18
mm/slab.h
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@ -274,22 +274,11 @@ static __always_inline int memcg_charge_slab(struct page *page,
gfp_t gfp, int order,
struct kmem_cache *s)
{
int ret;
if (!memcg_kmem_enabled())
return 0;
if (is_root_cache(s))
return 0;
ret = memcg_kmem_charge_memcg(page, gfp, order, s->memcg_params.memcg);
if (ret)
return ret;
mod_memcg_page_state(page,
(s->flags & SLAB_RECLAIM_ACCOUNT) ?
NR_SLAB_RECLAIMABLE : NR_SLAB_UNRECLAIMABLE,
1 << order);
return 0;
return memcg_kmem_charge_memcg(page, gfp, order, s->memcg_params.memcg);
}
static __always_inline void memcg_uncharge_slab(struct page *page, int order,
@ -297,11 +286,6 @@ static __always_inline void memcg_uncharge_slab(struct page *page, int order,
{
if (!memcg_kmem_enabled())
return;
mod_memcg_page_state(page,
(s->flags & SLAB_RECLAIM_ACCOUNT) ?
NR_SLAB_RECLAIMABLE : NR_SLAB_UNRECLAIMABLE,
-(1 << order));
memcg_kmem_uncharge(page, order);
}