The patch titled
ppc64: add remove_memory()
has been added to the -mm tree. Its filename is
add-remove_memory-for-ppc64-3.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: ppc64: add remove_memory()
From: Badari Pulavarty <[EMAIL PROTECTED]>
Supply ppc64 remove_memory() function. Arch specific is still being
reviewed by Paul Mackerras.
Signed-off-by: Badari Pulavarty <[EMAIL PROTECTED]>
Cc: Yasunori Goto <[EMAIL PROTECTED]>
Cc: Paul Mackerras <[EMAIL PROTECTED]>
Cc: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
arch/powerpc/mm/mem.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff -puN arch/powerpc/mm/mem.c~add-remove_memory-for-ppc64-3
arch/powerpc/mm/mem.c
--- a/arch/powerpc/mm/mem.c~add-remove_memory-for-ppc64-3
+++ a/arch/powerpc/mm/mem.c
@@ -129,6 +129,22 @@ int __devinit arch_add_memory(int nid, u
return __add_pages(zone, start_pfn, nr_pages);
}
+#ifdef CONFIG_MEMORY_HOTREMOVE
+int remove_memory(u64 start, u64 size)
+{
+ unsigned long start_pfn, end_pfn;
+ int ret;
+
+ start_pfn = start >> PAGE_SHIFT;
+ end_pfn = start_pfn + (size >> PAGE_SHIFT);
+ ret = offline_pages(start_pfn, end_pfn, 120 * HZ);
+ if (ret)
+ goto out;
+ /* Arch-specific calls go here - next patch */
+out:
+ return ret;
+}
+#endif /* CONFIG_MEMORY_HOTREMOVE */
#endif /* CONFIG_MEMORY_HOTPLUG */
void show_mem(void)
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
hugetlb-allow-sticky-directory-mount-option.patch
memory-hotplug-add-removable-to-sysfs-to-show-memblock-removability.patch
add-remove_memory-for-ppc64-3.patch
enable-hotplug-memory-remove-for-ppc64.patch
add-arch-specific-walk_memory_remove-for-ppc64.patch
mem-controller-gfp-mask-fix.patch
mount-options-fix-hugetlbfs.patch
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