From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx120.postini.com [74.125.245.120]) by kanga.kvack.org (Postfix) with SMTP id 732046B0044 for ; Wed, 19 Dec 2012 03:16:07 -0500 (EST) From: Tang Chen Subject: [PATCH v4 1/6] x86: get pg_data_t's memory from other node Date: Wed, 19 Dec 2012 16:14:58 +0800 Message-Id: <1355904903-22699-2-git-send-email-tangchen@cn.fujitsu.com> In-Reply-To: <1355904903-22699-1-git-send-email-tangchen@cn.fujitsu.com> References: <1355904903-22699-1-git-send-email-tangchen@cn.fujitsu.com> Sender: owner-linux-mm@kvack.org List-ID: To: jiang.liu@huawei.com, wujianguo@huawei.com, hpa@zytor.com, akpm@linux-foundation.org, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, linfeng@cn.fujitsu.com, yinghai@kernel.org, isimatu.yasuaki@jp.fujitsu.com, rob@landley.net, kosaki.motohiro@jp.fujitsu.com, minchan.kim@gmail.com, mgorman@suse.de, rientjes@google.com, guz.fnst@cn.fujitsu.com, rusty@rustcorp.com.au, lliubbo@gmail.com, jaegeuk.hanse@gmail.com, tony.luck@intel.com, glommer@parallels.com Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Tang Chen 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); return; } nd = __va(nd_pa); -- 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org