aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorShaohua Li <shaohua.li@intel.com>2008-10-27 13:03:18 -0700
committerIngo Molnar <mingo@elte.hu>2008-10-28 09:33:17 +0100
commit60817c9b31ef7897d60bca2f384cbc316a3fdd8b (patch)
treeee159c8287ca45338804a57ce2098e1aaf8e0cb0
parent3afa39493de510c33c56ddc76e6e1af7f87c5392 (diff)
downloadvexpress-lsk-60817c9b31ef7897d60bca2f384cbc316a3fdd8b.tar.gz
x86, memory hotplug: remove wrong -1 in calling init_memory_mapping()
Impact: fix crash with memory hotplug Shuahua Li found: | I just did some experiments on a desktop for memory hotplug and this bug | triggered a crash in my test. | | Yinghai's suggestion also fixed the bug. We don't need to round it, just remove that extra -1 Signed-off-by: Yinghai <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/mm/init_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index c7a4c5a9a21..f79a02f64d1 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -837,7 +837,7 @@ int arch_add_memory(int nid, u64 start, u64 size)
unsigned long nr_pages = size >> PAGE_SHIFT;
int ret;
- last_mapped_pfn = init_memory_mapping(start, start + size-1);
+ last_mapped_pfn = init_memory_mapping(start, start + size);
if (last_mapped_pfn > max_pfn_mapped)
max_pfn_mapped = last_mapped_pfn;