linux-kernel - Re: [PATCH 17/28] mm: remove the prot argument from vm_map

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Message-ID: <20200409003931.GA8418@hsiangkao-HP-ZHAN-66-Pro-G1>
Date:   Thu, 9 Apr 2020 08:39:35 +0800
From:   Gao Xiang <hsiangkao@....com>
To:     Christoph Hellwig <hch@....de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, x86@...nel.org,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Laura Abbott <labbott@...hat.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Minchan Kim <minchan@...nel.org>,
        Nitin Gupta <ngupta@...are.org>,
        Robin Murphy <robin.murphy@....com>,
        Christophe Leroy <christophe.leroy@....fr>,
        Peter Zijlstra <peterz@...radead.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-hyperv@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org,
        linux-arch@...r.kernel.org, linux-mm@...ck.org,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 17/28] mm: remove the prot argument from vm_map_ram

On Wed, Apr 08, 2020 at 01:59:15PM +0200, Christoph Hellwig wrote:
> This is always GFP_KERNEL - for long term mappings with other properties
> vmap should be used.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c   | 2 +-
>  drivers/media/common/videobuf2/videobuf2-dma-sg.c  | 3 +--
>  drivers/media/common/videobuf2/videobuf2-vmalloc.c | 3 +--
>  fs/erofs/decompressor.c                            | 2 +-

For EROFS part,

Acked-by: Gao Xiang <xiang@...nel.org>

Thanks,
Gao Xiang