mm/mmzone.c: memmap_valid_within() can be boolean
Make memmap_valid_within return bool due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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2 changed files with 7 additions and 7 deletions
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@ -1200,13 +1200,13 @@ unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long);
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* the zone and PFN linkages are still valid. This is expensive, but walkers
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* of the full memmap are extremely rare.
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*/
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int memmap_valid_within(unsigned long pfn,
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bool memmap_valid_within(unsigned long pfn,
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struct page *page, struct zone *zone);
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#else
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static inline int memmap_valid_within(unsigned long pfn,
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static inline bool memmap_valid_within(unsigned long pfn,
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struct page *page, struct zone *zone)
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{
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return 1;
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return true;
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}
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#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
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@ -72,16 +72,16 @@ struct zoneref *next_zones_zonelist(struct zoneref *z,
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}
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#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
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int memmap_valid_within(unsigned long pfn,
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bool memmap_valid_within(unsigned long pfn,
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struct page *page, struct zone *zone)
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{
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if (page_to_pfn(page) != pfn)
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return 0;
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return false;
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if (page_zone(page) != zone)
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return 0;
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return false;
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return 1;
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return true;
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}
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#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
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