lkml.org 
[lkml]   [2012]   [Aug]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC V7 PATCH 19/19] memory-hotplug: remove sysfs file of node
Date
From: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>

The patch adds node_set_offline() and unregister_one_node() to remove_memory()
for removing sysfs file of node.

CC: David Rientjes <rientjes@google.com>
CC: Jiang Liu <liuj97@gmail.com>
CC: Len Brown <len.brown@intel.com>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Paul Mackerras <paulus@samba.org>
CC: Christoph Lameter <cl@linux.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
CC: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
---
mm/memory_hotplug.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 00c050f..e5928c7 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1279,6 +1279,11 @@ int __ref remove_memory(int nid, u64 start, u64 size)
/* remove memmap entry */
firmware_map_remove(start, start + size, "System RAM");

+ if (!node_present_pages(nid)) {
+ node_set_offline(nid);
+ unregister_one_node(nid);
+ }
+
arch_remove_memory(start, size);
out:
unlock_memory_hotplug();
--
1.7.1


\
 
 \ /
  Last update: 2012-08-20 12:21    [W:0.089 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site