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| author |   Ying Han <yinghan@google.com> | 2011-05-24 17:12:27 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:39:26 -0700 |
| commit | 1495f230fa7750479c79e3656286b9183d662077 (patch) | |
| tree | e5e233bb9fe1916ccc7281e7dcc71b1572fb22c5 /fs/mbcache.c | |
| parent | vmscan: change shrink_slab() interfaces by passing shrink_control (diff) | |
| download | linux-dev-1495f230fa7750479c79e3656286b9183d662077.tar.xz linux-dev-1495f230fa7750479c79e3656286b9183d662077.zip | |
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.
[akpm@linux-foundation.org: fix build]
[akpm@linux-foundation.org: fix warning]
[kosaki.motohiro@jp.fujitsu.com: fix up new shrinker API]
[akpm@linux-foundation.org: fix xfs warning]
[akpm@linux-foundation.org: update gfs2]
Signed-off-by: Ying Han <yinghan@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Pavel Emelyanov <xemul@openvz.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/mbcache.c')
| -rw-r--r-- | fs/mbcache.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/mbcache.c b/fs/mbcache.c index 2f174be06555..8c32ef3ba88e 100644 --- a/fs/mbcache.c +++ b/fs/mbcache.c @@ -90,7 +90,8 @@ static DEFINE_SPINLOCK(mb_cache_spinlock); * What the mbcache registers as to get shrunk dynamically. */ -static int mb_cache_shrink_fn(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask); +static int mb_cache_shrink_fn(struct shrinker *shrink, + struct shrink_control *sc); static struct shrinker mb_cache_shrinker = { .shrink = mb_cache_shrink_fn, @@ -156,18 +157,19 @@ forget: * gets low. * * @shrink: (ignored) - * @nr_to_scan: Number of objects to scan - * @gfp_mask: (ignored) + * @sc: shrink_control passed from reclaim * * Returns the number of objects which are present in the cache. */ static int -mb_cache_shrink_fn(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask) +mb_cache_shrink_fn(struct shrinker *shrink, struct shrink_control *sc) { LIST_HEAD(free_list); struct mb_cache *cache; struct mb_cache_entry *entry, *tmp; int count = 0; + int nr_to_scan = sc->nr_to_scan; + gfp_t gfp_mask = sc->gfp_mask; mb_debug("trying to free %d entries", nr_to_scan); spin_lock(&mb_cache_spinlock); |