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Commit 7d03431c authored by Fernando Luis Vazquez Cao's avatar Fernando Luis Vazquez Cao Committed by Linus Torvalds
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swapfile/vmscan: update comments related to vmscan functions 



Signed-off-by: default avatarFernando 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ab33dc09

mm/swapfile.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

mm/vmscan.c

+1 −1
Original line number Diff line number Diff line
@@ -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 */