Messages in this thread Patch in this message | | | Date | Fri, 6 Jul 2007 18:28:06 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [PATCH] memory unplug v7 [6/6] - ia64 interface |
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IA64 memory unplug interface.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
--- arch/ia64/mm/init.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
Index: linux-2.6.22-rc6-mm1/arch/ia64/mm/init.c =================================================================== --- linux-2.6.22-rc6-mm1.orig/arch/ia64/mm/init.c +++ linux-2.6.22-rc6-mm1/arch/ia64/mm/init.c @@ -724,7 +724,17 @@ int arch_add_memory(int nid, u64 start, int remove_memory(u64 start, u64 size) { - return -EINVAL; + 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); + if (ret) + goto out; + /* we can free mem_map at this point */ +out: + return ret; } EXPORT_SYMBOL_GPL(remove_memory); #endif - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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