Re: Freeing page tables through RCU
From: Jason Gunthorpe <jgg@ziepe.ca>
Date: 2021-02-26 14:43:01
Also in:
linux-s390, linuxppc-dev, lkml
On Thu, Feb 25, 2021 at 08:58:20PM +0000, Matthew Wilcox wrote:
I'd like to hear better ideas than this.
You didn't like my suggestion to put a sleepable lock around the freeing of page tables during flushing? I still don't see how you convert the sleepable page walkers to use rcu?? Jason