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swapfile/vmscan: update comments related to vmscan functions 

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Fernando Luis Vazquez Cao 2008-07-29 22:33:41 -07:00 committed by Linus Torvalds
parent ab33dc09a5
commit 7d03431cf9
2 changed files with 3 additions and 3 deletions
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4
mm/swapfile.c
View File

@ -656,8 +656,8 @@ static int unuse_mm(struct mm_struct *mm,
if (!down_read_trylock(&mm->mmap_sem)) {
/*
* Activate page so shrink_cache is unlikely to unmap its
* ptes while lock is dropped, so swapoff can make progress.
* Activate page so shrink_inactive_list is unlikely to unmap
* its ptes while lock is dropped, so swapoff can make progress.
*/
activate_page(page);
unlock_page(page);

2
mm/vmscan.c
View File

@ -1979,7 +1979,7 @@ module_init(kswapd_init)
int zone_reclaim_mode __read_mostly;
#define RECLAIM_OFF 0
#define RECLAIM_ZONE (1<<0) /* Run shrink_cache on the zone */
#define RECLAIM_ZONE (1<<0) /* Run shrink_inactive_list on the zone */
#define RECLAIM_WRITE (1<<1) /* Writeout pages during reclaim */
#define RECLAIM_SWAP (1<<2) /* Swap pages out during reclaim */