Supply arch specific remove_memory() for PPC64. There is nothing
ppc specific code here and its exactly same as ia64 version.
For now, lets keep it arch specific - so each arch can add
its own special things if needed.
Signed-off-by: Badari Pulavarty <[EMAIL PROTECTED]>
---
arch/powerpc/mm/mem.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
Index: linux-2.6.23/arch/powerpc/mm/mem.c
===================================================================
--- linux-2.6.23.orig/arch/powerpc/mm/mem.c 2007-10-25 11:34:54.000000000
-0700
+++ linux-2.6.23/arch/powerpc/mm/mem.c 2007-10-25 11:35:24.000000000 -0700
@@ -131,6 +131,20 @@ int __devinit arch_add_memory(int nid, u
#endif /* CONFIG_MEMORY_HOTPLUG */
+#ifdef CONFIG_MEMORY_HOTREMOVE
+int remove_memory(u64 start, u64 size)
+{
+ unsigned long start_pfn, end_pfn;
+ unsigned long timeout = 120 * HZ;
+ int ret;
+ start_pfn = start >> PAGE_SHIFT;
+ end_pfn = start_pfn + (size >> PAGE_SHIFT);
+ ret = offline_pages(start_pfn, end_pfn, timeout);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(remove_memory);
+#endif /* CONFIG_MEMORY_HOTREMOVE */
+
void show_mem(void)
{
unsigned long total = 0, reserved = 0;
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