From: Ze Zuo <zuoze1@huawei.com>
To: <akpm@linux-foundation.org>
Cc: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
<wangkefeng.wang@huawei.com>, ze zuo <zuoze1@huawei.com>
Subject: [PATCH-next] mm/mempolicy: use PAGE_ALIGN instead of open-coding it
Date: Tue, 13 Sep 2022 01:55:05 +0000 [thread overview]
Message-ID: <20220913015505.1998958-1-zuoze1@huawei.com> (raw)
From: ze zuo <zuoze1@huawei.com>
Replace the simple calculation with PAGE_ALIGN.
Signed-off-by: ze zuo <zuoze1@huawei.com>
---
mm/mempolicy.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 143e2eaaa6ec..a937eaec5b68 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1270,7 +1270,7 @@ static long do_mbind(unsigned long start, unsigned long len,
if (mode == MPOL_DEFAULT)
flags &= ~MPOL_MF_STRICT;
- len = (len + PAGE_SIZE - 1) & PAGE_MASK;
+ len = PAGE_ALIGN(len);
end = start + len;
if (end < start)
@@ -1507,7 +1507,7 @@ SYSCALL_DEFINE4(set_mempolicy_home_node, unsigned long, start, unsigned long, le
if (home_node >= MAX_NUMNODES || !node_online(home_node))
return -EINVAL;
- len = (len + PAGE_SIZE - 1) & PAGE_MASK;
+ len = PAGE_ALIGN(len);
end = start + len;
if (end < start)
--
2.25.1
next reply other threads:[~2022-09-13 1:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-13 1:55 Ze Zuo [this message]
2022-09-13 13:02 ` Muchun Song
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