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authorDavid S. Miller <davem@davemloft.net>2009-03-04 23:59:54 -0800
committerDavid S. Miller <davem@davemloft.net>2009-03-04 23:59:54 -0800
commit77827a7cf3aa415f8afec6d9d0537dda8de90ef1 (patch)
tree503ab81e2b997e3625360b380f1cd18f923a6454 /arch/x86/mm/init_64.c
parent9d40bbda599def1e1d155d7f7dca14fe8744bd2b (diff)
parent559595a985e106d2fa9f0c79b7f5805453fed593 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/x86/mm/init_64.c')
-rw-r--r--arch/x86/mm/init_64.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index e6d36b49025..b1352250096 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -714,6 +714,8 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
pos = start_pfn << PAGE_SHIFT;
end_pfn = ((pos + (PMD_SIZE - 1)) >> PMD_SHIFT)
<< (PMD_SHIFT - PAGE_SHIFT);
+ if (end_pfn > (end >> PAGE_SHIFT))
+ end_pfn = end >> PAGE_SHIFT;
if (start_pfn < end_pfn) {
nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
pos = end_pfn << PAGE_SHIFT;