diff options
| author | Toshi Kani <[email protected]> | 2013-03-13 14:59:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2013-03-13 15:21:44 -0700 |
| commit | f8749452adcddd62e3707709ec2ae4856e70a3f2 (patch) | |
| tree | 68258d007b645f51a0597d1f6f9ee53d2f92f3c8 | |
| parent | ebf47beb660e5580df7bee06d5cf9d37c0f22fac (diff) | |
mm: remove_memory(): fix end_pfn setting
remove_memory() calls walk_memory_range() with [start_pfn, end_pfn), where
end_pfn is exclusive in this range. Therefore, end_pfn needs to be set to
the next page of the end address.
Signed-off-by: Toshi Kani <[email protected]>
Cc: Wen Congyang <[email protected]>
Cc: Tang Chen <[email protected]>
Cc: Kamezawa Hiroyuki <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Cc: Jiang Liu <[email protected]>
Cc: Jianguo Wu <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Wu Jianguo <[email protected]>
Cc: Yasuaki Ishimatsu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/memory_hotplug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index b81a367b9f39..9597eec8239d 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1801,7 +1801,7 @@ int __ref remove_memory(int nid, u64 start, u64 size) int retry = 1; start_pfn = PFN_DOWN(start); - end_pfn = start_pfn + PFN_DOWN(size); + end_pfn = PFN_UP(start + size - 1); /* * When CONFIG_MEMCG is on, one memory block may be used by other |