linux-kernel - [PATCH 06/13] shrinker: remove old API now it is unused

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Date:	Tue, 23 Aug 2011 18:56:19 +1000
From:	Dave Chinner <david@...morbit.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	khlebnikov@...nvz.org
Subject: [PATCH 06/13] shrinker: remove old API now it is unused

From: Dave Chinner <dchinner@...hat.com>

Signed-off-by: Dave Chinner <dchinner@...hat.com>
---
 include/linux/shrinker.h |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index 50f213f..ab6c572 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -20,11 +20,6 @@ struct shrink_control {
 /*
  * A callback you can register to apply pressure to ageable caches.
  *
- * @shrink() should look through the least-recently-used 'nr_to_scan' entries
- * and attempt to free them up.  It should return the number of objects which
- * remain in the cache.  If it returns -1, it means it cannot do any scanning at
- * this time (eg. there is a risk of deadlock).
- *
  * @count_objects should return the number of freeable items in the cache. If
  * there are no objects to free or the number of freeable items cannot be
  * determined, it should return 0. No deadlock checks should be done during the
@@ -40,7 +35,6 @@ struct shrink_control {
  * @scan_objects will be made from the current reclaim context.
  */
 struct shrinker {
-	int (*shrink)(struct shrinker *, struct shrink_control *sc);
 	long (*count_objects)(struct shrinker *, struct shrink_control *sc);
 	long (*scan_objects)(struct shrinker *, struct shrink_control *sc);
 
-- 
1.7.5.4

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