From fc43704437ebe40f642ac53f7ee73661fe74e6b8 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox
Date: Tue, 8 Sep 2015 14:58:51 -0700
Subject: mm: export various functions for the benefit of DAX

To use the huge zero page in DAX, we need these functions exported.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/huge_memory.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

(limited to 'mm')

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 9057241d5722..c426a89e025c 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -173,12 +173,7 @@ fail:
 static atomic_t huge_zero_refcount;
 struct page *huge_zero_page __read_mostly;
 
-static inline bool is_huge_zero_pmd(pmd_t pmd)
-{
-	return is_huge_zero_page(pmd_page(pmd));
-}
-
-static struct page *get_huge_zero_page(void)
+struct page *get_huge_zero_page(void)
 {
 	struct page *zero_page;
 retry:
-- 
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