The patch titled
Subject: mm: memcontrol: account slab stats per lruvec
has been added to the -mm tree. Its filename is
mm-memcontrol-account-slab-stats-per-lruvec.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memcontrol-account-slab-stats-per-lruvec.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memcontrol-account-slab-stats-per-lruvec.patch
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------------------------------------------------------
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: mm: memcontrol: account slab stats per lruvec
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/20170530181724.27197-7-hannes@xxxxxxxxxxx
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Josef Bacik <josef@xxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slab.c | 12 ++++--------
mm/slab.h | 18 +-----------------
mm/slub.c | 4 ++--
3 files changed, 7 insertions(+), 27 deletions(-)
diff -puN mm/slab.c~mm-memcontrol-account-slab-stats-per-lruvec mm/slab.c
--- a/mm/slab.c~mm-memcontrol-account-slab-stats-per-lruvec
+++ a/mm/slab.c
@@ -1425,11 +1425,9 @@ static struct page *kmem_getpages(struct
nr_pages = (1 << cachep->gfporder);
if (cachep->flags & SLAB_RECLAIM_ACCOUNT)
- add_node_page_state(page_pgdat(page),
- NR_SLAB_RECLAIMABLE, nr_pages);
+ mod_lruvec_page_state(page, NR_SLAB_RECLAIMABLE, nr_pages);
else
- add_node_page_state(page_pgdat(page),
- NR_SLAB_UNRECLAIMABLE, nr_pages);
+ mod_lruvec_page_state(page, NR_SLAB_UNRECLAIMABLE, nr_pages);
__SetPageSlab(page);
/* Record if ALLOC_NO_WATERMARKS was set when allocating the slab */
@@ -1459,11 +1457,9 @@ static void kmem_freepages(struct kmem_c
kmemcheck_free_shadow(page, order);
if (cachep->flags & SLAB_RECLAIM_ACCOUNT)
- sub_node_page_state(page_pgdat(page),
- NR_SLAB_RECLAIMABLE, nr_freed);
+ mod_lruvec_page_state(page, NR_SLAB_RECLAIMABLE, -nr_freed);
else
- sub_node_page_state(page_pgdat(page),
- NR_SLAB_UNRECLAIMABLE, nr_freed);
+ mod_lruvec_page_state(page, NR_SLAB_UNRECLAIMABLE, -nr_freed);
BUG_ON(!PageSlab(page));
__ClearPageSlabPfmemalloc(page);
diff -puN mm/slab.h~mm-memcontrol-account-slab-stats-per-lruvec mm/slab.h
--- a/mm/slab.h~mm-memcontrol-account-slab-stats-per-lruvec
+++ a/mm/slab.h
@@ -274,22 +274,11 @@ static __always_inline int memcg_charge_
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_unchar
{
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);
}
diff -puN mm/slub.c~mm-memcontrol-account-slab-stats-per-lruvec mm/slub.c
--- a/mm/slub.c~mm-memcontrol-account-slab-stats-per-lruvec
+++ a/mm/slub.c
@@ -1615,7 +1615,7 @@ out:
if (!page)
return NULL;
- mod_node_page_state(page_pgdat(page),
+ mod_lruvec_page_state(page,
(s->flags & SLAB_RECLAIM_ACCOUNT) ?
NR_SLAB_RECLAIMABLE : NR_SLAB_UNRECLAIMABLE,
1 << oo_order(oo));
@@ -1655,7 +1655,7 @@ static void __free_slab(struct kmem_cach
kmemcheck_free_shadow(page, compound_order(page));
- mod_node_page_state(page_pgdat(page),
+ mod_lruvec_page_state(page,
(s->flags & SLAB_RECLAIM_ACCOUNT) ?
NR_SLAB_RECLAIMABLE : NR_SLAB_UNRECLAIMABLE,
-pages);
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
mm-vmscan-delete-unused-pgdat_reclaimable_pages.patch
mm-vmstat-move-slab-statistics-from-zone-to-node-counters.patch
mm-memcontrol-use-the-node-native-slab-memory-counters.patch
mm-memcontrol-use-generic-mod_memcg_page_state-for-kmem-pages.patch
mm-memcontrol-per-lruvec-stats-infrastructure.patch
mm-memcontrol-account-slab-stats-per-lruvec.patch
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