linux-kernel - [PATCH v4 1/6] x86: get pg_data

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1355904903-22699-2-git-send-email-tangchen@cn.fujitsu.com>
Date:	Wed, 19 Dec 2012 16:14:58 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	jiang.liu@...wei.com, wujianguo@...wei.com, hpa@...or.com,
	akpm@...ux-foundation.org, wency@...fujitsu.com,
	laijs@...fujitsu.com, linfeng@...fujitsu.com, yinghai@...nel.org,
	isimatu.yasuaki@...fujitsu.com, rob@...dley.net,
	kosaki.motohiro@...fujitsu.com, minchan.kim@...il.com,
	mgorman@...e.de, rientjes@...gle.com, guz.fnst@...fujitsu.com,
	rusty@...tcorp.com.au, lliubbo@...il.com, jaegeuk.hanse@...il.com,
	tony.luck@...el.com, glommer@...allels.com
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Tang Chen <tangchen@...fujitsu.com>
Subject: [PATCH v4 1/6] x86: get pg_data_t's memory from other node

From: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>

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@...fujitsu.com>
Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
Signed-off-by: Tang Chen <tangchen@...fujitsu.com>
Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
---
 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 from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/