Re: [RFC-PATCH 1/2] mm: Add __GFP_NO_LOCKS flag

From: Peter Zijlstra
Date: Fri Aug 14 2020 - 13:49:42 EST


On Fri, Aug 14, 2020 at 09:11:06AM -0700, Paul E. McKenney wrote:
> Just to make sure we are talking about the same thing, please see below
> for an untested patch that illustrates how I was interpreting your words.
> Was this what you had in mind?

No, definitely not.

Also, since we used to be able to use call_rcu() _everywhere_, including
under zone->lock, how's that working with you calling the
page-allocating from it?