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 7ef4b63..c26d463 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -452,12 +452,12 @@
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 @@
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)