Messages in this thread |  | | Date | Wed, 18 Apr 2018 12:02:17 +0300 | From | Cyrill Gorcunov <> | Subject | Re: [v4 PATCH] mm: introduce arg_lock to protect arg_start|end and env_start|end in mm_struct |
| |
On Wed, Apr 18, 2018 at 10:05:55AM +0200, Michal Hocko wrote: > > Yes, looks good to me. As mentioned in other emails prctl_set_mm_map > really deserves a comment explaining why we are doing the down_read > > What about something like the following? > " > arg_lock protects concurent updates but we still need mmap_sem for read > to exclude races with do_brk. > " > Acked-by: Michal Hocko <mhocko@suse.com>
Yes, thanks! Andrew, could you slightly update the changelog please?
|  |