[PATCH -mm 2/2] vfs: add cond_resched_lock while scanning dentry LRU lists

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From: Kentaro Makita
Date: Sunday, June 8, 2008 - 10:33 pm

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

Signed-off-by: Kentaro Makita <k-makita@np.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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[PATCH -mm 2/2] vfs: add cond_resched_lock while scanning ..., Kentaro Makita, (Sun Jun 8, 10:33 pm)