linux-kernel - [PATCH] THP: need is_vma_temporary_stack() when reference transparent_hugepage

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Message-Id: <1335594795-30876-1-git-send-email-alex.shi@intel.com>
Date:	Sat, 28 Apr 2012 14:33:15 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	aarcange@...hat.com, riel@...hat.com, mgorman@...e.de
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	alex.shi@...el.com
Subject: [PATCH] THP: need is_vma_temporary_stack() when reference transparent_hugepage_enabled

When the transparent_hugepage_enabled() used out of mm/,
is_vma_temporary_stack() need be referenced. Otherwise, it has compile
error.

Signed-off-by: Alex Shi <alex.shi@...el.com>
---
 include/linux/huge_mm.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index c8af7a2..10254ac 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -59,6 +59,7 @@ extern pmd_t *page_check_address_pmd(struct page *page,
 #define HPAGE_PMD_MASK HPAGE_MASK
 #define HPAGE_PMD_SIZE HPAGE_SIZE
 
+extern bool is_vma_temporary_stack(struct vm_area_struct *vma);
 #define transparent_hugepage_enabled(__vma)				\
 	((transparent_hugepage_flags &					\
 	  (1<<TRANSPARENT_HUGEPAGE_FLAG) ||				\
-- 
1.7.5.4

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