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mm/vmalloc.c: is_vmalloc_addr() can return bool

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Make is_vmalloc_addr() return bool to improve readability due to this
particular function only using either one or zero as its return value.

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>
This commit is contained in:
Yaowei Bai 2016-05-19 17:11:29 -07:00 committed by Linus Torvalds
parent c98940f6fa
commit bb00a789e5
1 changed files with 2 additions and 2 deletions
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4
include/linux/mm.h
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@ -447,14 +447,14 @@ unsigned long vmalloc_to_pfn(const void *addr);
* On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there
* is no special casing required.
*/
static inline int is_vmalloc_addr(const void *x)
static inline bool is_vmalloc_addr(const void *x)
{
#ifdef CONFIG_MMU
unsigned long addr = (unsigned long)x;
return addr >= VMALLOC_START && addr < VMALLOC_END;
#else
return 0;
return false;
#endif
}
#ifdef CONFIG_MMU