diff options
| author | Tang Chen <tangchen@cn.fujitsu.com> | 2013-02-22 16:33:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-23 17:50:12 -0800 |
| commit | 5fc1d66a22384e7a09c74e4eb4bcb93165fb95f1 (patch) | |
| tree | cd9f54c4b820fdf7575aa2d099fa1bf8682edb02 /mm/memory_hotplug.c | |
| parent | 0197518cd3672029618a16a57597946a094ac7a8 (diff) | |
memory-hotplug: integrated __remove_section() of CONFIG_SPARSEMEM_VMEMMAP.
Currently __remove_section for SPARSEMEM_VMEMMAP does nothing. But even
if we use SPARSEMEM_VMEMMAP, we can unregister the memory_section.
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Wu Jianguo <wujianguo@huawei.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 220459c9ff1..46c58be2fdc 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -432,16 +432,6 @@ static int __meminit __add_section(int nid, struct zone *zone, return register_new_memory(nid, __pfn_to_section(phys_start_pfn)); } -#ifdef CONFIG_SPARSEMEM_VMEMMAP -static int __remove_section(struct zone *zone, struct mem_section *ms) -{ - /* - * XXX: Freeing memmap with vmemmap is not implement yet. - * This should be removed later. - */ - return -EBUSY; -} -#else static int __remove_section(struct zone *zone, struct mem_section *ms) { int ret = -EINVAL; @@ -456,7 +446,6 @@ static int __remove_section(struct zone *zone, struct mem_section *ms) sparse_remove_one_section(zone, ms); return 0; } -#endif /* * Reasonably generic function for adding memory. It is |