This patch used to be in Andrew's tree before the NUMA slab allocator went
in. Either this patch or the NUMA slab allocator is needed in order for
kmalloc_node to work correctly.
pcibus_to_node may be used to generate the node information passed to
kmalloc_node. pcibus_to_node returns -1 if it was not able to determine
on which node a pcibus is located. For that case kmalloc_node must
work like kmalloc.
Signed-off-by: Christoph Lameter <[email protected]>
Index: linux-2.6.13-rc2/mm/slab.c
===================================================================
--- linux-2.6.13-rc2.orig/mm/slab.c 2005-07-06 03:46:33.000000000 +0000
+++ linux-2.6.13-rc2/mm/slab.c 2005-07-06 17:34:19.000000000 +0000
@@ -2372,6 +2372,9 @@ void *kmem_cache_alloc_node(kmem_cache_t
struct slab *slabp;
kmem_bufctl_t next;
+ if (nodeid == -1)
+ return kmem_cache_alloc(cachep, flags);
+
for (loop = 0;;loop++) {
struct list_head *q;
-
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