kernel BUG in __cache_alloc_node at linux-2.6.git/mm/slab.c:3177!
will_schmidt at vnet.ibm.com
Fri Oct 20 06:37:09 EST 2006
On Thu, 2006-19-10 at 10:03 -0700, Christoph Lameter wrote:
> I would expect this patch to fix your issues. This will allow fallback
> allocations to occur in the page allocator during slab bootstrap. This
> means your per node queues will be contaminated as they were before. After
> the slab allocator is fully booted then the per node queues will become
> gradually become node clean.
> I think it would be better if the PPC arch would fix this issue
> by either making memory available on node 0 or setting up node 1 as
> the boot node.
This didnt fix the problem on my box. I tried this both against mm and
> Signed-off-by: Christoph Lameter <clameter at sgi.com>
> Index: linux-2.6.19-rc2-mm1/mm/slab.c
> --- linux-2.6.19-rc2-mm1.orig/mm/slab.c 2006-10-19 11:54:24.000000000 -0500
> +++ linux-2.6.19-rc2-mm1/mm/slab.c 2006-10-19 11:59:24.208194796 -0500
> @@ -1589,7 +1589,10 @@ static void *kmem_getpages(struct kmem_c
> * the needed fallback ourselves since we want to serve from our
> * per node object lists first for other nodes.
> - flags |= cachep->gfpflags | GFP_THISNODE;
> + if (g_cpucache_up != FULL)
> + flags |= cachep->gfpflags;
> + else
> + flags |= cachep->gfpflags | GFP_THISNODE;
> page = alloc_pages_node(nodeid, flags, cachep->gfporder);
> if (!page)
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