Re: [lkp-robot] [mm] 67ffc906f8:WARNING:at_mm/filemap.c:#__warn_lock_page_from_reclaim_context

[Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>]

kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-4.9):
> 
> commit: 67ffc906f8dee0e0433cad83dbdd198e5d1fc86f ("mm: Warn on lock_page() from reclaim context.")
> url: https://github.com/0day-ci/linux/commits/Tetsuo-Handa/mm-Warn-on-lock_page-from-reclaim-context/20180318-173622

Thanks. Already fixed in v4.16-rc7.

commit b3cd54b257ad95d344d121dc563d943ca39b0921
Author: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Date:   Thu Mar 22 16:17:35 2018 -0700

    mm/shmem: do not wait for lock_page() in shmem_unused_huge_shrink()

> [   60.850212] CPU: 0 PID: 221 Comm: sed Not tainted 4.16.0-rc4-00340-g67ffc90 #2