Re: [PATCH v14 08/14] mm: multi-gen LRU: support page table walks

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On Thu, Oct 20, 2022 at 8:14 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Wed, Oct 19, 2022 at 10:40:40AM -0700, Linus Torvalds wrote:
>
> > Because as you say, the function is already called "read_atomic", and
> > it should damn well *act* that way then.
>
> So I've been sitting on these here patches (and never having time to
> repost them), which is how I noticed in the first place:
>
>   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=x86/mm.pae

This looks good to me. It'll help get rid of all those open-coded
barrier()s and fix a couple of missing barrier()s.



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