diff options
| author | Christoph Lameter <clameter@sgi.com> | 2007-08-22 14:01:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-22 19:52:47 -0700 |
| commit | a2f92ee7e704440995cf5474f4cc7b268bf380e0 (patch) | |
| tree | 8c51ce70ddf96f0a16eccb85f7883c33e143f34e /mm/slub.c | |
| parent | 9e86943b6c74f214ce0516d56e55636d52252e19 (diff) | |
| download | lwn-a2f92ee7e704440995cf5474f4cc7b268bf380e0.tar.gz lwn-a2f92ee7e704440995cf5474f4cc7b268bf380e0.zip | |
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/slub.c')
| -rw-r--r-- | mm/slub.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/slub.c b/mm/slub.c index 0c106d73f9c5..04151da399c6 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); |