This is acpi part.
-Kame
===
This patch adds symbolic link from memmory sysfs device to
memory device in acpi namespace.
like this:
[kamezawa@casares ~]$ readlink /sys/devices/system/memory/memory10/phys_device
../../../../firmware/acpi/namespace/ACPI/_SB/LSB1/MEM2
Signed-Off-By: KAMEZAWA Hiroyuki <[email protected]>
Index: linux-2.6.17-rc1-mm2/drivers/acpi/acpi_memhotplug.c
===================================================================
--- linux-2.6.17-rc1-mm2.orig/drivers/acpi/acpi_memhotplug.c 2006-04-10 18:09:39.000000000 +0900
+++ linux-2.6.17-rc1-mm2/drivers/acpi/acpi_memhotplug.c 2006-04-10 18:09:57.000000000 +0900
@@ -30,6 +30,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/memory_hotplug.h>
+#include <linux/memory.h>
#include <acpi/acpi_drivers.h>
#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000UL
@@ -215,6 +216,7 @@
{
int result, num_enabled = 0;
struct acpi_memory_info *info;
+ struct acpi_device *device;
ACPI_FUNCTION_TRACE("acpi_memory_enable_device");
@@ -250,6 +252,15 @@
info->enabled = 1;
num_enabled++;
}
+ result = acpi_bus_get_device(mem_device->handle, &device);
+ if (!result) {
+ /* create symbolic link between acpi namespace <->
+ memory sysfs */
+ list_for_each_entry(info, &mem_device->res_list, list)
+ attach_device_to_memsection(info->start_addr,
+ info->start_addr + info->length,
+ &device->kobj);
+ }
if (!num_enabled) {
ACPI_ERROR((AE_INFO, "add_memory failed"));
-
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