linux-kernel - Re: [PATCH 6/8] mm: don't include <linux/memremap.h> in <linux/mm.h>

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Date:   Mon, 7 Feb 2022 10:38:06 -0700
From:   Logan Gunthorpe <logang@...tatee.com>
To:     Christoph Hellwig <hch@....de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dan Williams <dan.j.williams@...el.com>
Cc:     Felix Kuehling <Felix.Kuehling@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Karol Herbst <kherbst@...hat.com>,
        Lyude Paul <lyude@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>,
        Alistair Popple <apopple@...dia.com>,
        Ralph Campbell <rcampbell@...dia.com>,
        linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        nvdimm@...ts.linux.dev, linux-mm@...ck.org
Subject: Re: [PATCH 6/8] mm: don't include <linux/memremap.h> in <linux/mm.h>



On 2022-02-06 11:32 p.m., Christoph Hellwig wrote:
> Move the check for the actual pgmap types that need the free at refcount
> one behavior into the out of line helper, and thus avoid the need to
> pull memremap.h into mm.h.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

I've noticed mm/memcontrol.c uses is_device_private_page() and also
needs a memremap.h include added to compile with my configuration.

Logan