From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: 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@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/hugetlbfs/inode.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/hugetlbfs/inode.c~hugetlbfs-make-hugepage-size-conversion-more-readable +++ a/fs/hugetlbfs/inode.c @@ -1520,8 +1520,8 @@ static struct vfsmount *__init mount_one 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; } _
