x86: fix bootmem cross node for 32bit numa

Impact: fix panic on system 2g x4 sockets

Found one system with 4 sockets and every sockets has 2g can not boot
with numa32 because boot mem is crossing nodes.

So try to have numa version of setup_bootmem_allocator().

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <49AE485B.8000902@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 451fe95a035..3daefa04ace 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -416,10 +416,11 @@ void __init initmem_init(unsigned long start_pfn,
         for_each_online_node(nid)
                 propagate_e820_map_node(nid);
 
-        for_each_online_node(nid)
+        for_each_online_node(nid) {
                 memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
+                NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
+        }
 
-        NODE_DATA(0)->bdata = &bootmem_node_data[0];
         setup_bootmem_allocator();
 }