diff options
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 81fb9bff0d4f..5357fcc4643b 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -33,6 +33,7 @@ #include <linux/syscalls.h> #include <linux/cpuset.h> #include <linux/hardirq.h> /* for BUG_ON(!in_atomic()) only */ +#include <linux/memcontrol.h> #include "internal.h" /* @@ -118,6 +119,7 @@ void __remove_from_page_cache(struct page *page) { struct address_space *mapping = page->mapping; + mem_cgroup_uncharge_page(page); radix_tree_delete(&mapping->page_tree, page->index); page->mapping = NULL; mapping->nrpages--; @@ -458,8 +460,12 @@ int filemap_write_and_wait_range(struct address_space *mapping, int add_to_page_cache(struct page *page, struct address_space *mapping, pgoff_t offset, gfp_t gfp_mask) { - int error = radix_tree_preload(gfp_mask & ~__GFP_HIGHMEM); + int error = mem_cgroup_cache_charge(page, current->mm, + gfp_mask & ~__GFP_HIGHMEM); + if (error) + goto out; + error = radix_tree_preload(gfp_mask & ~__GFP_HIGHMEM); if (error == 0) { write_lock_irq(&mapping->tree_lock); error = radix_tree_insert(&mapping->page_tree, offset, page); @@ -470,10 +476,14 @@ int add_to_page_cache(struct page *page, struct address_space *mapping, page->index = offset; mapping->nrpages++; __inc_zone_page_state(page, NR_FILE_PAGES); - } + } else + mem_cgroup_uncharge_page(page); + write_unlock_irq(&mapping->tree_lock); radix_tree_preload_end(); - } + } else + mem_cgroup_uncharge_page(page); +out: return error; } EXPORT_SYMBOL(add_to_page_cache); |