diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/mm/slab.c b/mm/slab.c index 13b5050f84cc..7a48eb1a60c8 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -736,14 +736,6 @@ static DEFINE_MUTEX(cache_chain_mutex); static struct list_head cache_chain; /* - * vm_enough_memory() looks at this to determine how many slab-allocated pages - * are possibly freeable under pressure - * - * SLAB_RECLAIM_ACCOUNT turns this on per-slab - */ -atomic_t slab_reclaim_pages; - -/* * chicken and egg problem: delay the per-cpu array allocation * until the general caches are up. */ @@ -1580,8 +1572,11 @@ static void *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, int nodeid) nr_pages = (1 << cachep->gfporder); if (cachep->flags & SLAB_RECLAIM_ACCOUNT) - atomic_add(nr_pages, &slab_reclaim_pages); - add_zone_page_state(page_zone(page), NR_SLAB, nr_pages); + add_zone_page_state(page_zone(page), + NR_SLAB_RECLAIMABLE, nr_pages); + else + add_zone_page_state(page_zone(page), + NR_SLAB_UNRECLAIMABLE, nr_pages); for (i = 0; i < nr_pages; i++) __SetPageSlab(page + i); return page_address(page); @@ -1596,7 +1591,12 @@ static void kmem_freepages(struct kmem_cache *cachep, void *addr) struct page *page = virt_to_page(addr); const unsigned long nr_freed = i; - sub_zone_page_state(page_zone(page), NR_SLAB, nr_freed); + if (cachep->flags & SLAB_RECLAIM_ACCOUNT) + sub_zone_page_state(page_zone(page), + NR_SLAB_RECLAIMABLE, nr_freed); + else + sub_zone_page_state(page_zone(page), + NR_SLAB_UNRECLAIMABLE, nr_freed); while (i--) { BUG_ON(!PageSlab(page)); __ClearPageSlab(page); @@ -1605,8 +1605,6 @@ static void kmem_freepages(struct kmem_cache *cachep, void *addr) if (current->reclaim_state) current->reclaim_state->reclaimed_slab += nr_freed; free_pages((unsigned long)addr, cachep->gfporder); - if (cachep->flags & SLAB_RECLAIM_ACCOUNT) - atomic_sub(1 << cachep->gfporder, &slab_reclaim_pages); } static void kmem_rcu_free(struct rcu_head *head) |