lkml.org 
[lkml]   [2012]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[RFC PATCH 12/12] memory-hotplug : remove sysfs file of node
    The patch adds node_set_offline() and unregister_one_node() to remove_memory()
    for removing sysfs file of node.

    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 file changed, 5 insertions(+)

    Index: linux-3.5-rc4/mm/memory_hotplug.c
    ===================================================================
    --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-06-26 14:32:03.630368866 +0900
    +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-06-26 14:39:58.090437374 +0900
    @@ -702,6 +702,11 @@ int remove_memory(int nid, u64 start, u6
    /* remove memmap entry */
    firmware_map_remove(start, start + size, "System RAM");

    + if (!node_present_pages(nid)) {
    + node_set_offline(nid);
    + unregister_one_node(nid);
    + }
    +
    __remove_pages(start >> PAGE_SHIFT, size >> PAGE_SHIFT);
    unlock_memory_hotplug();
    return 0;


    \
     
     \ /
      Last update: 2012-06-27 08:41    [W:0.025 / U:127.064 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site