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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-03 14:32:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-03 14:32:55 -0800 |
| commit | 3024e4a99744f5b59704a6570524a312f94f010f (patch) | |
| tree | 52739d6ef2af3afe3dc7b0f7ee942fd43da107c1 /arch/x86/mm | |
| parent | Merge branch 'tracing/mmiotrace' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (diff) | |
| parent | x86: oprofile: don't set counter width from cpuid on Core2 (diff) | |
| download | linux-dev-3024e4a99744f5b59704a6570524a312f94f010f.tar.xz linux-dev-3024e4a99744f5b59704a6570524a312f94f010f.zip | |
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: oprofile: don't set counter width from cpuid on Core2
x86: fix init_memory_mapping() to handle small ranges
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/init_64.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index e6d36b490250..b1352250096e 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; |