From 7779f21236549ab3b66fcfadc4c91fdc9f6fc26d Mon Sep 17 00:00:00 2001 From: Johannes Weiner Date: Thu, 6 Jul 2017 15:40:55 -0700 Subject: [PATCH] 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@cmpxchg.org Signed-off-by: Johannes Weiner Acked-by: Vladimir Davydov Cc: Josef Bacik Cc: Michal Hocko Cc: Rik van Riel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/slab.c | 12 ++++-------- mm/slab.h | 18 +----------------- mm/slub.c | 4 ++-- 3 files changed, 7 insertions(+), 27 deletions(-) diff --git a/mm/slab.c b/mm/slab.c index a38634ed478e..04dec48c3ed7 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1425,11 +1425,9 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, 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_cache *cachep, struct page *page) 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 --git a/mm/slab.h b/mm/slab.h index 7b84e3839dfe..6885e1192ec5 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -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); } diff --git a/mm/slub.c b/mm/slub.c index aa5aa6bfb35e..1d3f9835f4ea 100644 --- a/mm/slub.c +++ b/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_cache *s, struct page *page) 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); -- 2.20.1