From: Chen Gang <chengang@emindsoft.com.cn>
Date: Fri, 20 May 2016 23:58:01 +0000 (-0700)
Subject: include/linux/hugetlb.h: use bool instead of int for hugepage_migration_supported()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d70c17d436b3fb9dbdae8c93bf908a6110b0cb4f;p=linux.git

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>
---

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 7ef4b635015db..c26d4638f665e 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -452,12 +452,12 @@ 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
 }
 
@@ -519,7 +519,7 @@ 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)