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slub: do not fail if we cannot register a slab with sysfs

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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>
This commit is contained in:
Christoph Lameter 2007-08-30 23:56:26 -07:00 committed by Linus Torvalds
parent 4ccdb4c872
commit 5d540fb715
1 changed files with 6 additions and 2 deletions
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8
mm/slub.c
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@ -3813,7 +3813,9 @@ static int __init slab_sysfs_init(void)
list_for_each_entry(s, &slab_caches, list) { list_for_each_entry(s, &slab_caches, list) {
err = sysfs_slab_add(s); 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) { while (alias_list) {
@ -3821,7 +3823,9 @@ static int __init slab_sysfs_init(void)
alias_list = alias_list->next; alias_list = alias_list->next;
err = sysfs_slab_alias(al->s, al->name); 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); kfree(al);
} }