Messages in this thread Patch in this message | | | Date | Tue, 14 Aug 2007 19:11:07 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: SLUB doesn't work with kdump kernel on Cell |
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Can you try this patch?
From 74863f472810cb58dc56dde050616581d38f7673 Mon Sep 17 00:00:00 2001 From: Christoph Lameter <christoph@qirst.com> 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 <clameter@sgi.com> --- mm/slub.c | 11 +++++++++-- 1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c index 1488e71..fc82751 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); -- 1.5.2.4
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