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Date:	Wed, 19 Dec 2012 16:14:58 +0800
From:	Tang Chen <>
	Tang Chen <>
Subject: [PATCH v4 1/6] x86: get pg_data_t's memory from other node

From: Yasuaki Ishimatsu <>

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 <>
Signed-off-by: Lai Jiangshan <>
Signed-off-by: Tang Chen <>
Signed-off-by: Jiang Liu <>
 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 2d125be..db939b6 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -222,10 +222,9 @@ static void __init setup_node_data(int nid, u64 start, u64 end)
 		nd_pa = __pa(nd);
 		remapped = true;
 	} else {
-		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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