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Date:   Fri, 3 May 2019 12:33:53 +0100
From:   Catalin Marinas <>
To:     Christoph Hellwig <>
Cc:     Robin Murphy <>,
        Joerg Roedel <>,
        Will Deacon <>,
        Tom Lendacky <>,,,
Subject: Re: [PATCH 01/25] arm64/iommu: handle non-remapped addresses in
 ->mmap and ->get_sgtable

On Tue, Apr 30, 2019 at 06:51:50AM -0400, Christoph Hellwig wrote:
> DMA allocations that can't sleep may return non-remapped addresses, but
> we do not properly handle them in the mmap and get_sgtable methods.
> Resolve non-vmalloc addresses using virt_to_page to handle this corner
> case.
> Signed-off-by: Christoph Hellwig <>
> Reviewed-by: Robin Murphy <>

Acked-by: Catalin Marinas <>

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