Re: [PATCH v4 04/14] arm64, mm: Move generic mmap layout functions to mm

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On Sun, May 26, 2019 at 09:47:36AM -0400, Alexandre Ghiti wrote:
> arm64 handles top-down mmap layout in a way that can be easily reused
> by other architectures, so make it available in mm.
> It then introduces a new config ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
> that can be set by other architectures to benefit from those functions.
> Note that this new config depends on MMU being enabled, if selected
> without MMU support, a warning will be thrown.
> 
> Suggested-by: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Signed-off-by: Alexandre Ghiti <alex@xxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>



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