Messages in this thread Patch in this message |  | | | Date | Mon, 14 May 2012 20:58:14 +0900 | | From | Yasuaki Ishimatsu <> | | Subject | [Patch 1/4] x86: get pg_data_t's memory from other node |
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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 when memblock_alloc_nid() fails, setup_node_data() retries memblock_alloc().
--- arch/x86/mm/numa.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) Index: linux-3.4-rc6/arch/x86/mm/numa.c =================================================================== --- linux-3.4-rc6.orig/arch/x86/mm/numa.c 2012-05-15 06:43:38.887962970 +0900 +++ linux-3.4-rc6/arch/x86/mm/numa.c 2012-05-15 06:43:42.422918776 +0900 @@ -223,9 +223,13 @@ static void __init setup_node_data(int n remapped = true; } else { nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid); - if (!nd_pa) { - pr_err("Cannot find %zu bytes in node %d\n", + if (!nd_pa) + printk(KERN_WARNING "Cannot find %zu bytes in node %d\n", nd_size, nid); + nd_pa = memblock_alloc(nd_size, SMP_CACHE_BYTES); + if (!nd_pa) { + pr_err("Cannot find %zu bytes in other node\n", + nd_size); return; } nd = __va(nd_pa);
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