Export the memory_sysdev_class structure. This is needed so we can create
a 'release' file in sysfs in addition to the existing 'probe' file in
order to support DLPAR removal of memory on the powerpc/pseries platform.
The new 'release' file will be powerpc/pseries only.
Signed-off-by: Nathan Fontenot <nfont at austin.ibm.com>
---
Index: powerpc/drivers/base/memory.c
===================================================================
--- powerpc.orig/drivers/base/memory.c 2009-10-19 11:56:51.000000000 -0500
+++ powerpc/drivers/base/memory.c 2009-10-19 11:59:36.000000000 -0500
@@ -28,9 +28,10 @@
#define MEMORY_CLASS_NAME "memory"
-static struct sysdev_class memory_sysdev_class = {
+struct sysdev_class memory_sysdev_class = {
.name = MEMORY_CLASS_NAME,
};
+EXPORT_SYMBOL(memory_sysdev_class);
static const char *memory_uevent_name(struct kset *kset, struct kobject *kobj)
{
Index: powerpc/include/linux/memory_hotplug.h
===================================================================
--- powerpc.orig/include/linux/memory_hotplug.h 2009-10-19 11:58:43.000000000
-0500
+++ powerpc/include/linux/memory_hotplug.h 2009-10-19 11:59:36.000000000
-0500
@@ -12,6 +12,8 @@
#ifdef CONFIG_MEMORY_HOTPLUG
+extern struct sysdev_class memory_sysdev_class;
+
/*
* Types for free bootmem.
* The normal smallest mapcount is -1. Here is smaller value than it.
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