mm: make early_pfn_to_nid() a C function
Fix this (sparc64) mm/sparse-vmemmap.c: In function `vmemmap_verify': mm/sparse-vmemmap.c:64: warning: unused variable `pfn' by switching to a C function which touches its arg. (reason 3,555 why macros are bad) Also, the `nid' arg was misnamed. Reviewed-by: Christoph Lameter <clameter@sgi.com> Acked-by: Andy Whitcroft <apw@shadowen.org> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Andi Kleen <ak@suse.de> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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include/linux
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@ -841,7 +841,10 @@ static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
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#if !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) && \
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!defined(CONFIG_ARCH_POPULATES_NODE_MAP)
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#define early_pfn_to_nid(nid) (0UL)
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static inline unsigned long early_pfn_to_nid(unsigned long pfn)
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{
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return 0;
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}
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#endif
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#ifdef CONFIG_FLATMEM
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