diff options
-rw-r--r-- | mm/swap.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -278,9 +278,10 @@ int lru_add_drain_all(void) | |||
278 | * Avoid taking zone->lru_lock if possible, but if it is taken, retain it | 278 | * Avoid taking zone->lru_lock if possible, but if it is taken, retain it |
279 | * for the remainder of the operation. | 279 | * for the remainder of the operation. |
280 | * | 280 | * |
281 | * The locking in this function is against shrink_cache(): we recheck the | 281 | * The locking in this function is against shrink_inactive_list(): we recheck |
282 | * page count inside the lock to see whether shrink_cache grabbed the page | 282 | * the page count inside the lock to see whether shrink_inactive_list() |
283 | * via the LRU. If it did, give up: shrink_cache will free it. | 283 | * grabbed the page via the LRU. If it did, give up: shrink_inactive_list() |
284 | * will free it. | ||
284 | */ | 285 | */ |
285 | void release_pages(struct page **pages, int nr, int cold) | 286 | void release_pages(struct page **pages, int nr, int cold) |
286 | { | 287 | { |