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swap: update function comment of release_pages

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Signed-off-by: Fernando Luis Vazquez Cao <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: Rik van Riel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Fernando Luis Vazquez Cao 2008-07-29 22:33:40 -07:00 • committed by Linus Torvalds
commit ab33dc09a5
1 changed files with 4 additions and 3 deletions
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7
mm/swap.c
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@ -278,9 +278,10 @@ int lru_add_drain_all(void)
* Avoid taking zone->lru_lock if possible, but if it is taken, retain it
* for the remainder of the operation.
*
* The locking in this function is against shrink_cache(): we recheck the
* page count inside the lock to see whether shrink_cache grabbed the page
* via the LRU. If it did, give up: shrink_cache will free it.
* The locking in this function is against shrink_inactive_list(): we recheck
* the page count inside the lock to see whether shrink_inactive_list()
* grabbed the page via the LRU. If it did, give up: shrink_inactive_list()
* will free it.
*/
void release_pages(struct page **pages, int nr, int cold)
{