vmscan: change shrinker API by passing shrink_control struct

Change each shrinker's API by consolidating the existing parameters into
shrink_control struct.  This will simplify any further features added w/o
touching each file of shrinker.

[[email protected]: fix build]
[[email protected]: fix warning]
[[email protected]: fix up new shrinker API]
[[email protected]: fix xfs warning]
[[email protected]: update gfs2]
Signed-off-by: Ying Han <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Cc: Minchan Kim <[email protected]>
Acked-by: Pavel Emelyanov <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: Mel Gorman <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Steven Whitehouse <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ying Han 2011-05-24 17:12:27 -07:00 • committed by Linus Torvalds
commit 1495f230fa
21 changed files with 95 additions and 61 deletions

View file

@ -751,8 +751,12 @@ static void prune_icache(int nr_to_scan)
* This function is passed the number of inodes to scan, and it returns the
* total number of remaining possibly-reclaimable inodes.
*/
static int shrink_icache_memory(struct shrinker *shrink, int nr, gfp_t gfp_mask)
static int shrink_icache_memory(struct shrinker *shrink,
struct shrink_control *sc)
{
int nr = sc->nr_to_scan;
gfp_t gfp_mask = sc->gfp_mask;
if (nr) {
/*
* Nasty deadlock avoidance. We may hold various FS locks,