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 03/19] memory-hotplug: store the node id in acpi_memory_device
    Date
    From: Wen Congyang <wency@cn.fujitsu.com>

    The memory device has only one node id. Store the node id when
    enable the memory device, and we can reuse it when removing the
    memory device.

    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: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
    Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
    Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
    ---
    drivers/acpi/acpi_memhotplug.c | 4 ++++
    1 files changed, 4 insertions(+), 0 deletions(-)
    diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
    index 2a7beac..7873832 100644
    --- a/drivers/acpi/acpi_memhotplug.c
    +++ b/drivers/acpi/acpi_memhotplug.c
    @@ -83,6 +83,7 @@ struct acpi_memory_info {
    struct acpi_memory_device {
    struct acpi_device * device;
    unsigned int state; /* State of the memory device */
    + int nid;
    struct list_head res_list;
    };

    @@ -256,6 +257,9 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
    info->enabled = 1;
    num_enabled++;
    }
    +
    + mem_device->nid = node;
    +
    if (!num_enabled) {
    printk(KERN_ERR PREFIX "add_memory failed\n");
    mem_device->state = MEMORY_INVALID_STATE;
    --
    1.7.1


    \
     
     \ /
      Last update: 2012-08-20 13:21    [W:0.126 / U:0.840 seconds]
    ©2003-2014 Jasper Spaans. Advertise on this site