linux-kernel - [PATCH] mm: thp: simplify the implementation of mk_huge

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Message-Id: <1461023700-5851-1-git-send-email-yang.shi@linaro.org>
Date:	Mon, 18 Apr 2016 16:55:00 -0700
From:	Yang Shi <yang.shi@...aro.org>
To:	akpm@...ux-foundation.org, kirill.shutemov@...ux.intel.com,
	aarcange@...hat.com, hughd@...gle.com, mgorman@...e.de
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linaro-kernel@...ts.linaro.org, yang.shi@...aro.org
Subject: [PATCH] mm: thp: simplify the implementation of mk_huge_pmd

The implementation of mk_huge_pmd looks verbose, it could be just simplified
to one line code.

Signed-off-by: Yang Shi <yang.shi@...aro.org>
---
 mm/huge_memory.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 8adf3c2..fecbbc5 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -764,10 +764,7 @@ pmd_t maybe_pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
 
 static inline pmd_t mk_huge_pmd(struct page *page, pgprot_t prot)
 {
-	pmd_t entry;
-	entry = mk_pmd(page, prot);
-	entry = pmd_mkhuge(entry);
-	return entry;
+	return pmd_mkhuge(mk_pmd(page, prot));
 }
 
 static inline struct list_head *page_deferred_list(struct page *page)
-- 
2.0.2