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authorChristoph Lameter <clameter@sgi.com>2007-08-30 23:56:26 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-31 01:42:22 -0700
commit5d540fb71552b9f2c542bea967200c48be2d8ef6 (patch)
treeaf328bd4d12b2b91c6fa53af94a78fcc370562ce /mm
parent4ccdb4c8727c9963c7aa0d6301df283cf1f8a731 (diff)
downloadlinux-5d540fb71552b9f2c542bea967200c48be2d8ef6.tar.gz
slub: do not fail if we cannot register a slab with sysfs
Do not BUG() if we cannot register a slab with sysfs.  Just print an error.
 The only consequence of not registering is that the slab cache is not
visible via /sys/slab.  A BUG() may not be visible that early during boot
and we have had multiple issues here already.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/slub.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 04151da399c6..7defe84e6bd0 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3813,7 +3813,9 @@ static int __init slab_sysfs_init(void)
 
 	list_for_each_entry(s, &slab_caches, list) {
 		err = sysfs_slab_add(s);
-		BUG_ON(err);
+		if (err)
+			printk(KERN_ERR "SLUB: Unable to add boot slab %s"
+						" to sysfs\n", s->name);
 	}
 
 	while (alias_list) {
@@ -3821,7 +3823,9 @@ static int __init slab_sysfs_init(void)
 
 		alias_list = alias_list->next;
 		err = sysfs_slab_alias(al->s, al->name);
-		BUG_ON(err);
+		if (err)
+			printk(KERN_ERR "SLUB: Unable to add boot slab alias"
+					" %s to sysfs\n", s->name);
 		kfree(al);
 	}