hugetlbfs: use helper macro default_hstate in init_hugetlbfs_fs

Since commit e5ff215941d5 ("hugetlb: multiple hstates for multiple page
sizes"), we can use macro default_hstate to get the struct hstate which we
use by default.  But init_hugetlbfs_fs() forgot to use it.

Link: https://lkml.kernel.org/r/20210116091827.20982-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.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>

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 71a00db..32c8ae4 100644 (file)
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1543,7 +1543,7 @@ static int __init init_hugetlbfs_fs(void)
                goto out_free;
 
        /* default hstate mount is required */
-       mnt = mount_one_hugetlbfs(&hstates[default_hstate_idx]);
+       mnt = mount_one_hugetlbfs(&default_hstate);
        if (IS_ERR(mnt)) {
                error = PTR_ERR(mnt);
                goto out_unreg;