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include/linux/hugetlb.h: use bool instead of int for hugepage_migration_supported() 

It is used as a pure bool function within kernel source wide.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Chen Gang 2016-05-20 16:58:01 -07:00 committed by Linus Torvalds
parent 7fab358d90
commit d70c17d436
1 changed files with 3 additions and 3 deletions
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6
include/linux/hugetlb.h
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@ -452,12 +452,12 @@ static inline pgoff_t basepage_index(struct page *page)
extern void dissolve_free_huge_pages(unsigned long start_pfn, extern void dissolve_free_huge_pages(unsigned long start_pfn,
unsigned long end_pfn); unsigned long end_pfn);
static inline int hugepage_migration_supported(struct hstate *h) static inline bool hugepage_migration_supported(struct hstate *h)
{ {
#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION #ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
return huge_page_shift(h) == PMD_SHIFT; return huge_page_shift(h) == PMD_SHIFT;
#else #else
return 0; return false;
#endif #endif
} }
@ -519,7 +519,7 @@ static inline pgoff_t basepage_index(struct page *page)
return page->index; return page->index;
} }
#define dissolve_free_huge_pages(s, e) do {} while (0) #define dissolve_free_huge_pages(s, e) do {} while (0)
#define hugepage_migration_supported(h) 0 #define hugepage_migration_supported(h) false
static inline spinlock_t *huge_pte_lockptr(struct hstate *h, static inline spinlock_t *huge_pte_lockptr(struct hstate *h,
struct mm_struct *mm, pte_t *pte) struct mm_struct *mm, pte_t *pte)