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| author | David S. Miller <davem@davemloft.net> | 2008-08-14 10:41:39 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-08-14 10:41:39 +0200 |
| commit | c918dcce92f76bb9903e4d049f4780bad384c207 (patch) | |
| tree | 98cba34aec05883f1c25aa19c2a8600e4a588341 | |
| parent | sparc64: Handle stack trace attempts before irqstacks are setup. (diff) | |
| download | linux-c918dcce92f76bb9903e4d049f4780bad384c207.tar.xz linux-c918dcce92f76bb9903e4d049f4780bad384c207.zip | |
sparc64: Fix overshoot in nid_range().
If 'start' does not begin on a page boundary, we can overshoot
past 'end'.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | arch/sparc64/mm/init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 217de3ea29e8..64d8e7623e0d 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -796,6 +796,9 @@ static unsigned long nid_range(unsigned long start, unsigned long end, start += PAGE_SIZE; } + if (start > end) + start = end; + return start; } #else |