On 03/15, Cyrill Gorcunov wrote: > > On Mon, Mar 15, 2021 at 01:08:03PM +0100, Oleg Nesterov wrote: > > > > > And why task_lock(current) ? What does it try to protect? > > As far as I remember this was related to reading from procfs > at time the patch was written for first time. Looks like this > not relevant anymore and could be dropped.
I think this was never relevant, ->alloc_lock is per-thread, not per mm. Oleg.