linux-kernel - [RESEND][PATCH -mm 2/2] vfs: add cond_resched

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Date:	Tue, 24 Jun 2008 10:45:23 +0900
From:	Kentaro Makita <k-makita@...css.fujitsu.com>
To:	linux-kernel@...r.kernel.org
CC:	linux-fsdevel@...r.kernel.org, akpm@...ux-foundation.org,
	viro@...IV.linux.org.uk, harvey.harrison@...il.com
Subject: [RESEND][PATCH -mm 2/2] vfs: add cond_resched_lock while scanning
 dentry LRU lists

o add cond_resched_lock(&dcache_lock) while scanning LRU lists on superblocks
  in __shrink_dcache_sb()

Signed-off-by: Kentaro Makita <k-makita@...css.fujitsu.com>
---
 fs/dcache.c |    1 +
 1 files changed, 1 insertion(+)

Index: b/fs/dcache.c
===================================================================
--- a/fs/dcache.c	2008-06-05 11:48:57.000000000 +0900
+++ b/fs/dcache.c	2008-06-05 11:49:19.000000000 +0900
@@ -484,6 +484,7 @@ restart:
 				if (--cnt == 0)
 					break;
 			}
+			cond_resched_lock(&dcache_lock);
 		}
 	}
 	while (!list_empty(&tmp)) {









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