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authorMiaohe Lin <linmiaohe@huawei.com>2021-02-24 12:10:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-24 13:38:35 -0800
commita25fddced835ae53d18eb4bddabd719b4cebf624 (patch)
tree08956ce1596f3960a428aacd08459aa5c2a6400f /fs/hugetlbfs
parent88ce3fef47f3f382985ecefe8f290b6ff05b4335 (diff)
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hugetlbfs: make hugepage size conversion more readable
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) >> 10. Link: https://lkml.kernel.org/r/20210122083141.24548-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hugetlbfs')
-rw-r--r--fs/hugetlbfs/inode.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 7982adc3d98d..46fad3d9265b 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1520,8 +1520,8 @@ 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) >> 10);
return mnt;
}