linux-kernel - [Patch v2 1/4] mm/mremap: format the check in move_normal_pmd() same as move_huge

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Message-Id: <20200129002642.13508-2-richardw.yang@linux.intel.com>
Date:   Wed, 29 Jan 2020 08:26:39 +0800
From:   Wei Yang <richardw.yang@...ux.intel.com>
To:     akpm@...ux-foundation.org, aneesh.kumar@...ux.ibm.com,
        kirill@...temov.name, dan.j.williams@...el.com,
        yang.shi@...ux.alibaba.com, thellstrom@...are.com,
        richardw.yang@...ux.intel.com
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org, digetx@...il.com
Subject: [Patch v2 1/4] mm/mremap: format the check in move_normal_pmd() same as move_huge_pmd()

No functional change, just improve the readability and prepare for
following cleanup.

Signed-off-by: Wei Yang <richardw.yang@...ux.intel.com>
---
 mm/mremap.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/mremap.c b/mm/mremap.c
index 122938dcec15..bcc7aa62f2d9 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -200,8 +200,9 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr,
 	struct mm_struct *mm = vma->vm_mm;
 	pmd_t pmd;
 
-	if ((old_addr & ~PMD_MASK) || (new_addr & ~PMD_MASK)
-	    || old_end - old_addr < PMD_SIZE)
+	if ((old_addr & ~PMD_MASK) ||
+	    (new_addr & ~PMD_MASK) ||
+	    old_end - old_addr < PMD_SIZE)
 		return false;
 
 	/*
-- 
2.17.1