linux-kernel - Re: [PATCH v5 2/2] kvm: Use huge pages for DAX-backed files

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Message-ID: <e012696f-f13e-5af1-2b14-084607d69bfa@google.com>
Date:   Mon, 16 Dec 2019 11:05:26 -0500
From:   Barret Rhoden <brho@...gle.com>
To:     Sean Christopherson <sean.j.christopherson@...el.com>,
        Liran Alon <liran.alon@...cle.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Dan Williams <dan.j.williams@...el.com>,
        David Hildenbrand <david@...hat.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        linux-nvdimm@...ts.01.org, x86@...nel.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, jason.zeng@...el.com
Subject: Re: [PATCH v5 2/2] kvm: Use huge pages for DAX-backed files

On 12/13/19 12:19 PM, Sean Christopherson wrote:
> Teaching thp_adjust() how to handle 1GB wouldn't be a bad thing.  It's
> unlikely THP itself will support 1GB pages any time soon, but having the
> logic there wouldn't hurt anything.
> 

Cool.  This was my main concern - I didn't want to break THP.

I'll rework the series based on all of your comments.

Thanks,

Barret