linux-kernel - [PATCH v3 2/6] mm/memory_hotplug: remove memory_add_physaddr_to

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Message-Id: <1369547921-24264-2-git-send-email-liwanp@linux.vnet.ibm.com>
Date:	Sun, 26 May 2013 13:58:37 +0800
From:	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Michal Hocko <mhocko@...e.cz>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@...il.com>,
	David Rientjes <rientjes@...gle.com>,
	Jiang Liu <jiang.liu@...wei.com>,
	Tang Chen <tangchen@...fujitsu.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<stable@...r.kernel.org>, Wanpeng Li <liwanp@...ux.vnet.ibm.com>
Subject: [PATCH v3 2/6] mm/memory_hotplug: remove memory_add_physaddr_to_nid

memory_add_physaddr_to_nid is not used any more, this patch remove it.

Signed-off-by: Wanpeng Li <liwanp@...ux.vnet.ibm.com>
---
 arch/x86/mm/numa.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index a71c4e2..d470a54 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -803,18 +803,3 @@ const struct cpumask *cpumask_of_node(int node)
 EXPORT_SYMBOL(cpumask_of_node);
 
 #endif	/* !CONFIG_DEBUG_PER_CPU_MAPS */
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-int memory_add_physaddr_to_nid(u64 start)
-{
-	struct numa_meminfo *mi = &numa_meminfo;
-	int nid = mi->blk[0].nid;
-	int i;
-
-	for (i = 0; i < mi->nr_blks; i++)
-		if (mi->blk[i].start <= start && mi->blk[i].end > start)
-			nid = mi->blk[i].nid;
-	return nid;
-}
-EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
-#endif
-- 
1.8.1.2

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