linux-kernel - [PATCH v2 1/5] hugetlbfs: use helper macro SZ

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Date:   Tue, 26 Jul 2022 22:29:14 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>, <mike.kravetz@...cle.com>,
        <songmuchun@...edance.com>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH v2 1/5] hugetlbfs: use helper macro SZ_1{K,M}

Use helper macro SZ_1K and SZ_1M to do the size conversion. Minor
readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
Reviewed-by: Mike Kravetz <mike.kravetz@...cle.com>
---
 fs/hugetlbfs/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 20336cb3c040..e998c416b85f 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1309,7 +1309,7 @@ static int hugetlbfs_parse_param(struct fs_context *fc, struct fs_parameter *par
 		ps = memparse(param->string, &rest);
 		ctx->hstate = size_to_hstate(ps);
 		if (!ctx->hstate) {
-			pr_err("Unsupported page size %lu MB\n", ps >> 20);
+			pr_err("Unsupported page size %lu MB\n", ps / SZ_1M);
 			return -EINVAL;
 		}
 		return 0;
@@ -1555,7 +1555,7 @@ static struct vfsmount *__init mount_one_hugetlbfs(struct hstate *h)
 	}
 	if (IS_ERR(mnt))
 		pr_err("Cannot mount internal hugetlbfs for page size %luK",
-		       huge_page_size(h) >> 10);
+		       huge_page_size(h) / SZ_1K);
 	return mnt;
 }
 
-- 
2.23.0