linux-kernel - Re: [PATCH 1/8] mm: remove a pointless CONFIG_ZONE_DEVICE check in memremap

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Message-ID: <CAMZfGtUfqoaJ7L7rLP2Vdfy_nvr30qppRX-RfTFUh8TeO3ZznA@mail.gmail.com>
Date:   Tue, 8 Feb 2022 16:06:30 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        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>,
        Logan Gunthorpe <logang@...tatee.com>,
        Ralph Campbell <rcampbell@...dia.com>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        nouveau@...ts.freedesktop.org, nvdimm@...ts.linux.dev,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCH 1/8] mm: remove a pointless CONFIG_ZONE_DEVICE check in memremap_pages

On Mon, Feb 7, 2022 at 2:36 PM Christoph Hellwig <hch@....de> wrote:
>
> memremap.c is only built when CONFIG_ZONE_DEVICE is set, so remove
> the superflous extra check.
>
> Signed-off-by: Christoph Hellwig <hch@....de>

Reviewed-by: Muchun Song <songmuchun@...edance.com>

Thanks.