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mm/mmzone.c: memmap_valid_within() can be boolean

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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Yaowei Bai 2016-01-14 15:19:11 -08:00 • committed by Linus Torvalds
commit 5b80287a65
2 changed files with 7 additions and 7 deletions
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8
mm/mmzone.c
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@ -72,16 +72,16 @@ struct zoneref *next_zones_zonelist(struct zoneref *z,
}
#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
int memmap_valid_within(unsigned long pfn,
bool memmap_valid_within(unsigned long pfn,
struct page *page, struct zone *zone)
{
if (page_to_pfn(page) != pfn)
return 0;
return false;
if (page_zone(page) != zone)
return 0;
return false;
return 1;
return true;
}
#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */