[PATCH] avoid -ENOMEM due reclaimable slab caches

This makes sure that reclaimable buffer headers and reclaimable inodes
are accounted properly during the overcommit checks.

Signed-off-by: Andrea Arcangeli <andrea@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index 5f525b3..6ed5949 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3115,7 +3115,7 @@
 
 	bh_cachep = kmem_cache_create("buffer_head",
 			sizeof(struct buffer_head), 0,
-			SLAB_PANIC, init_buffer_head, NULL);
+			SLAB_RECLAIM_ACCOUNT|SLAB_PANIC, init_buffer_head, NULL);
 
 	/*
 	 * Limit the bh occupancy to 10% of ZONE_NORMAL

fs/inode.c

diff --git a/fs/inode.c b/fs/inode.c
index af8fd78..90a110f 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1336,7 +1336,7 @@
 
 	/* inode slab cache */
 	inode_cachep = kmem_cache_create("inode_cache", sizeof(struct inode),
-				0, SLAB_PANIC, init_once, NULL);
+				0, SLAB_RECLAIM_ACCOUNT|SLAB_PANIC, init_once, NULL);
 	set_shrinker(DEFAULT_SEEKS, shrink_icache_memory);
 
 	/* Hash may have been set up in inode_init_early */