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> Acked-by: Vladimir Davydov <vdavydov.dev@xxxxxxxxx> Cc: Josef Bacik <josef@xxxxxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> 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); _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
