From: Chen Gang <cheng...@emindsoft.com.cn>
It is used as a pure bool function within kernel source wide.
Signed-off-by: Chen Gang <gang.chen.5...@gmail.com>
---
include/linux/hugetlb.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e44c578..0f735ea 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -454,12 +454,12 @@ static inline pgoff_t basepage_index(struct page *page)
extern void dissolve_free_huge_pages(unsigned long start_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
return huge_page_shift(h) == PMD_SHIFT;
#else
- return 0;
+ return false;
#endif
}
@@ -521,7 +521,7 @@ static inline pgoff_t basepage_index(struct page *page)
return page->index;
}
#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,
struct mm_struct *mm, pte_t *pte)
--
1.9.3
