On Mon, Feb 10, 2020 at 7:06 AM Alexey Gladkov <gladkov.alexey@xxxxxxxxx> wrote:
>
> This allows to flush dcache entries of a task on multiple procfs mounts
> per pid namespace.
>
> The RCU lock is used because the number of reads at the task exit time
> is much larger than the number of procfs mounts.
Ok, this looks better to me than the previous version.
But that may be the "pee-in-the-snow" effect, and I _really_ want
others to take a good look at the whole series.
The right people seem to be cc'd, but this is pretty core, and /proc
has a tendency to cause interesting issues because of how it's
involved in a lot of areas indirectly.
Al, Oleg, Andy, Eric?
Linus
