From: Wei Yang <richardw.yang@linux.intel.com>
To: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com,
kirill@shutemov.name, dan.j.williams@intel.com,
yang.shi@linux.alibaba.com, thellstrom@vmware.com,
richardw.yang@linux.intel.com
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, digetx@gmail.com
Subject: [Patch v2 1/4] mm/mremap: format the check in move_normal_pmd() same as move_huge_pmd()
Date: Wed, 29 Jan 2020 08:26:39 +0800 [thread overview]
Message-ID: <20200129002642.13508-2-richardw.yang@linux.intel.com> (raw)
In-Reply-To: <20200129002642.13508-1-richardw.yang@linux.intel.com>
No functional change, just improve the readability and prepare for
following cleanup.
Signed-off-by: Wei Yang <richardw.yang@linux.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
next prev parent reply other threads:[~2020-01-29 0:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-29 0:26 [Patch v2 0/4] mm/mremap: cleanup move_page_tables() a little Wei Yang
2020-01-29 0:26 ` Wei Yang [this message]
2020-01-29 0:26 ` [Patch v2 2/4] mm/mremap: it is sure to have enough space when extent meets requirement Wei Yang
2020-01-29 0:26 ` [Patch v2 3/4] mm/mremap: calculate extent in one place Wei Yang
2020-01-29 0:26 ` [Patch v2 4/4] mm/mremap: start addresses are properly aligned Wei Yang
2020-01-30 22:18 ` [Patch v2 0/4] mm/mremap: cleanup move_page_tables() a little Dmitry Osipenko
2020-01-30 23:05 ` Wei Yang
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