linux-kernel - Re: [PATCH v1 2/6] mm: Move set/get_pcppage

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Message-ID: <CAKgT0UcpbU2=RZxam1n84L3XnTqzuBO=S+bkg9R1PQeYUxFYcw@mail.gmail.com>
Date:   Fri, 28 Jun 2019 12:55:21 -0700
From:   Alexander Duyck <alexander.duyck@...il.com>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Nitesh Narayan Lal <nitesh@...hat.com>,
        kvm list <kvm@...r.kernel.org>,
        David Hildenbrand <david@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Yang Zhang <yang.zhang.wz@...il.com>, pagupta@...hat.com,
        Rik van Riel <riel@...riel.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        lcapitulino@...hat.com, wei.w.wang@...el.com,
        Andrea Arcangeli <aarcange@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>, dan.j.williams@...el.com,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>
Subject: Re: [PATCH v1 2/6] mm: Move set/get_pcppage_migratetype to mmzone.h

On Tue, Jun 25, 2019 at 11:28 AM Dave Hansen <dave.hansen@...el.com> wrote:
>
> On 6/19/19 3:33 PM, Alexander Duyck wrote:
> > In order to support page aeration it will be necessary to store and
> > retrieve the migratetype of a page. To enable that I am moving the set and
> > get operations for pcppage_migratetype into the mmzone header so that they
> > can be used when adding or removing pages from the free lists.
> ...
> > diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
> > index 4c07af2cfc2f..6f8fd5c1a286 100644
> > --- a/include/linux/mmzone.h
> > +++ b/include/linux/mmzone.h
>
> Not mm/internal.h?

Yeah, I can probably move those to there. I just need to pull the call
to set_pcpage_migratetype out of set_page_aerated and place it in
aerator_add_to_boundary.