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[PATCH] x86-64: Fix off by one in pfn_valid
When I gave proposed the fix to pfn_valid() for RHEL4, Stephen Tweedie's sharp eyes caught this: Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -54,7 +54,7 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr)
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#define pfn_valid(pfn) ((pfn) >= num_physpages ? 0 : \
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({ u8 nid__ = pfn_to_nid(pfn); \
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nid__ != 0xff && (pfn) >= node_start_pfn(nid__) && (pfn) <= node_end_pfn(nid__); }))
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nid__ != 0xff && (pfn) >= node_start_pfn(nid__) && (pfn) < node_end_pfn(nid__); }))
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#endif
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#define local_mapnr(kvaddr) \
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