hugetlb: rename hugepage_migration_support() to ..._supported()

We already have a function named hugepages_supported(), and the similar
name hugepage_migration_support() is a bit unconfortable, so let's rename
it hugepage_migration_supported().

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Hugh Dickins <hughd@google.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 35786ee..255cd5c 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -397,7 +397,7 @@
 
 extern void dissolve_free_huge_pages(unsigned long start_pfn,
 				     unsigned long end_pfn);
-static inline int hugepage_migration_support(struct hstate *h)
+static inline int hugepage_migration_supported(struct hstate *h)
 {
 #ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
 	return huge_page_shift(h) == PMD_SHIFT;
@@ -453,7 +453,7 @@
 	return page->index;
 }
 #define dissolve_free_huge_pages(s, e)	do {} while (0)
-#define hugepage_migration_support(h)	0
+#define hugepage_migration_supported(h)	0
 
 static inline spinlock_t *huge_pte_lockptr(struct hstate *h,
 					   struct mm_struct *mm, pte_t *pte)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 2441942..226910c 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -544,7 +544,7 @@
 /* Movability of hugepages depends on migration support. */
 static inline gfp_t htlb_alloc_mask(struct hstate *h)
 {
-	if (hugepages_treat_as_movable || hugepage_migration_support(h))
+	if (hugepages_treat_as_movable || hugepage_migration_supported(h))
 		return GFP_HIGHUSER_MOVABLE;
 	else
 		return GFP_HIGHUSER;
diff --git a/mm/migrate.c b/mm/migrate.c
index 2a45967..63f0cd5 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1039,7 +1039,7 @@
 	 * tables or check whether the hugepage is pmd-based or not before
 	 * kicking migration.
 	 */
-	if (!hugepage_migration_support(page_hstate(hpage))) {
+	if (!hugepage_migration_supported(page_hstate(hpage))) {
 		putback_active_hugepage(hpage);
 		return -ENOSYS;
 	}