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Subject[PATCH 2/2] vmscan: change shrink_slab() return tyep with void
Date
Now, no caller use the return value of shrink_slab(). Thus we can change
it with void.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
---
mm/vmscan.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index bfa1975..89b593e 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -277,24 +277,23 @@ EXPORT_SYMBOL(shrinker_do_scan);
*
* Returns the number of slab objects which we shrunk.
*/
-static unsigned long shrink_slab(struct zone *zone, unsigned long scanned, unsigned long total,
+static void shrink_slab(struct zone *zone, unsigned long scanned, unsigned long total,
unsigned long global, gfp_t gfp_mask)
{
struct shrinker *shrinker;
- unsigned long ret = 0;

if (scanned == 0)
scanned = SWAP_CLUSTER_MAX;

if (!down_read_trylock(&shrinker_rwsem))
- return 1; /* Assume we'll be able to shrink next time */
+ return;

list_for_each_entry(shrinker, &shrinker_list, list) {
(*shrinker->shrink)(shrinker, zone, scanned,
total, global, gfp_mask);
}
up_read(&shrinker_rwsem);
- return ret;
+ return;
}

void shrink_all_slab(void)
--
1.6.5.2




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