Re: [PATCH 1/2] mm,vmscan: Kill global shrinker lock.

From: Christoph Hellwig
Date: Mon Nov 20 2017 - 05:41:47 EST


On Mon, Nov 20, 2017 at 10:42:37AM +0100, Michal Hocko wrote:
> The patch has been dropped because allnoconfig failed to compile back
> then http://lkml.kernel.org/r/CAP=VYLr0rPWi1aeuk4w1On9CYRNmnEWwJgGtaX=wEvGaBURtrg@xxxxxxxxxxxxxx
> I have problem to find the follow up discussion though. The main
> argument was that SRC is not generally available and so the core
> kernel should rely on it.

Paul,

isthere any good reason to not use SRCU in the core kernel and
instead try to reimplement it using atomic counters?