[RESEND PATCH part1 1/9] x86: get pg_data_t's memory from other node

From: Tang Chen
Date: Thu Mar 21 2013 - 05:18:31 EST

From: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>

If system can create movable node which all memory of the
node is allocated as ZONE_MOVABLE, setup_node_data() cannot
allocate memory for the node's pg_data_t.
So, use memblock_alloc_try_nid() instead of memblock_alloc_nid()
to retry when the first allocation fails.

Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
arch/x86/mm/numa.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 11acdf6..4f754e6 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -214,10 +214,9 @@ static void __init setup_node_data(int nid, u64 start, u64 end)
* Allocate node data. Try node-local memory and then any node.
* Never allocate in DMA zone.
- nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
+ nd_pa = memblock_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
if (!nd_pa) {
- pr_err("Cannot find %zu bytes in node %d\n",
- nd_size, nid);
+ pr_err("Cannot find %zu bytes in any node\n", nd_size);
nd = __va(nd_pa);

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