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authorIngo Molnar <mingo@elte.hu>2009-03-04 11:14:47 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-04 11:14:47 +0100
commita1be621dfacbef0fd374d8acd553d71e07bf29ac (patch)
tree32b0355454b43b1098b5e01dd699fd7281abf781 /arch/x86/mm/init_64.c
parent3612fdf780e28b10323dd12d2b0f306c7ada4d4c (diff)
parentfec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff)
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Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc7' into tracing/core
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 63fdc531601d..ea5ad1e3672d 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;