1 files changed, 5 insertions, 8 deletions

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index b65166de1d9d..d0bad1a8b0bd 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -392,15 +392,13 @@ static inline pgoff_t basepage_index(struct page *page)
 
 extern void dissolve_free_huge_pages(unsigned long start_pfn,
                                      unsigned long end_pfn);
-int pmd_huge_support(void);
-/*
- * Currently hugepage migration is enabled only for pmd-based hugepage.
- * This function will be updated when hugepage migration is more widely
- * supported.
- */
 static inline int hugepage_migration_support(struct hstate *h)
 {
-        return pmd_huge_support() && (huge_page_shift(h) == PMD_SHIFT);
+#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
+        return huge_page_shift(h) == PMD_SHIFT;
+#else
+        return 0;
+#endif
 }
 
 static inline spinlock_t *huge_pte_lockptr(struct hstate *h,
@@ -450,7 +448,6 @@ static inline pgoff_t basepage_index(struct page *page)
         return page->index;
 }
 #define dissolve_free_huge_pages(s, e)  do {} while (0)
-#define pmd_huge_support()      0
 #define hugepage_migration_support(h)   0
 
 static inline spinlock_t *huge_pte_lockptr(struct hstate *h,