[PATCH] hugetlbfs: make hugepage size conversion more readable

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The calculation 1U << (h->order + PAGE_SHIFT - 10) is actually equal to
(PAGE_SHIFT << (h->order)) >> 10. So we can make it more readable by
replace it with huge_page_size(h) / SZ_1K.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 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 25c1857ff45d..f94b8f6553fa 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1519,8 +1519,8 @@ static struct vfsmount *__init mount_one_hugetlbfs(struct hstate *h)
 		put_fs_context(fc);
 	}
 	if (IS_ERR(mnt))
-		pr_err("Cannot mount internal hugetlbfs for page size %uK",
-		       1U << (h->order + PAGE_SHIFT - 10));
+		pr_err("Cannot mount internal hugetlbfs for page size %luK",
+		       huge_page_size(h) / SZ_1K);
 	return mnt;
 }
 
-- 
2.19.1






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