We should remove the following things when removing the memory device: 1. memmap and related sysfs files 2. iomem_resource 3. mem_section and related sysfs files 4. node and related sysfs files
The function remove_memory() can do this. So call it after the memory device is offlined. CC: David Rientjes <[email protected]> CC: Jiang Liu <[email protected]> CC: Len Brown <[email protected]> CC: Benjamin Herrenschmidt <[email protected]> CC: Paul Mackerras <[email protected]> CC: Christoph Lameter <[email protected]> Cc: Minchan Kim <[email protected]> CC: Andrew Morton <[email protected]> CC: KOSAKI Motohiro <[email protected]> CC: Yasuaki Ishimatsu <[email protected]> Signed-off-by: Wen Congyang <[email protected]> --- drivers/acpi/acpi_memhotplug.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 712e767..58e4e63 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -315,7 +315,7 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device) { int result; struct acpi_memory_info *info, *n; - + int node = mem_device->nid; /* * Ask the VM to offline this memory range. @@ -330,6 +330,11 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device) if (result) return result; } + + result = remove_memory(node, info->start_addr, + info->length); + if (result) + return result; } list_del(&info->list); kfree(info); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
