aboutsummaryrefslogtreecommitdiff
path: root/mm
diff options
context:
space:
mode:
authorChristoph Lameter <clameter@sgi.com>2007-08-22 14:01:57 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-22 19:52:47 -0700
commita2f92ee7e704440995cf5474f4cc7b268bf380e0 (patch)
tree8c51ce70ddf96f0a16eccb85f7883c33e143f34e /mm
parent9e86943b6c74f214ce0516d56e55636d52252e19 (diff)
downloadlinux-linaro-a2f92ee7e704440995cf5474f4cc7b268bf380e0.tar.gz
SLUB: do not fail on broken memory configurations
Print a big fat warning and do what is necessary to continue if a node is marked as up (meaning either node is online (upstream) or node has memory (Andrew's tree)) but allocations from the node do not succeed. Signed-off-by: Christoph Lameter <clameter@sgi.com> 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.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 0c106d73f9c..04151da399c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1877,9 +1877,16 @@ static struct kmem_cache_node * __init early_kmem_cache_node_alloc(gfp_t gfpflag
BUG_ON(kmalloc_caches->size < sizeof(struct kmem_cache_node));
- page = new_slab(kmalloc_caches, gfpflags | GFP_THISNODE, node);
+ page = new_slab(kmalloc_caches, gfpflags, node);
BUG_ON(!page);
+ if (page_to_nid(page) != node) {
+ printk(KERN_ERR "SLUB: Unable to allocate memory from "
+ "node %d\n", node);
+ printk(KERN_ERR "SLUB: Allocating a useless per node structure "
+ "in order to be able to continue\n");
+ }
+
n = page->freelist;
BUG_ON(!n);
page->freelist = get_freepointer(kmalloc_caches, n);