mm/mmap: fix obsolete comment of find_extend_vma

mmget_still_valid() has already been removed via commit 4d45e75a99 ("mm:
remove the now-unnecessary mmget_still_valid() hack").  Update the
corresponding comment.

Link: https://lkml.kernel.org/r/20220709092527.47778-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-07-09 17:25:27 +08:00 • committed by akpm
commit cdb5c9e53f