From 9d3d6a2520bbbdb18388db62cadb2df931fe9cf3 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Tue, 14 Aug 2007 19:09:00 -0700 Subject: [PATCH] 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 but allocations from the node do not succeed. Signed-off-by: Christoph Lameter --- mm/slub.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 6db1725..930e6dc 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 useless per node structures " + " in order to be able to continue\n"); + } + n = page->freelist; BUG_ON(!n); page->freelist = get_freepointer(kmalloc_caches, n); -- 1.5.2.4