Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=aa620abe756207222d234f785d41435fac486e06
Commit: aa620abe756207222d234f785d41435fac486e06
Parent: 44621be4b563fbce32007ebfac91dfe8f5692743
Author: Badari Pulavarty <[EMAIL PROTECTED]>
AuthorDate: Tue Feb 5 00:10:16 2008 -0800
Committer: Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 19:52:47 2008 +1100
[POWERPC] Add remove_memory() for 64-bit powerpc
Supply remove_memory() function for 64-bit powerpc. This is still
not quite complete as it needs to do some more arch-specific stuff,
which will be added in a later patch.
Signed-off-by: Badari Pulavarty <[EMAIL PROTECTED]>
Cc: Yasunori Goto <[EMAIL PROTECTED]>
Cc: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
arch/powerpc/mm/mem.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 93a5c53..f0a1fd2 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -129,6 +129,22 @@ int __devinit arch_add_memory(int nid, u64 start, u64 size)
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)
-
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