diff options
Diffstat (limited to 'mm/swap_state.c')
| -rw-r--r-- | mm/swap_state.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c index d504adb7f..69cb2464e 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -170,6 +170,11 @@ int add_to_swap(struct page *page, struct list_head *list) if (!entry.val) return 0; + if (mem_cgroup_try_charge_swap(page, entry)) { + swapcache_free(entry); + return 0; + } + if (unlikely(PageTransHuge(page))) if (unlikely(split_huge_page_to_list(page, list))) { swapcache_free(entry); @@ -185,13 +190,12 @@ int add_to_swap(struct page *page, struct list_head *list) * deadlock in the swap out path. */ /* - * Add it to the swap cache and mark it dirty + * Add it to the swap cache. */ err = add_to_swap_cache(page, entry, __GFP_HIGH|__GFP_NOMEMALLOC|__GFP_NOWARN); - if (!err) { /* Success */ - SetPageDirty(page); + if (!err) { return 1; } else { /* -ENOMEM radix-tree allocation failure */ /* @@ -353,7 +357,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, } /* May fail (-ENOMEM) if radix-tree node allocation failed. */ - __set_page_locked(new_page); + __SetPageLocked(new_page); SetPageSwapBacked(new_page); err = __add_to_swap_cache(new_page, entry); if (likely(!err)) { @@ -367,7 +371,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, } radix_tree_preload_end(); ClearPageSwapBacked(new_page); - __clear_page_locked(new_page); + __ClearPageLocked(new_page); /* * add_to_swap_cache() doesn't return -EEXIST, so we can safely * clear SWAP_HAS_CACHE flag. |