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Re: [PATCH] arm64: dma-mapping: check whether cma area is initialized or not

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On Fri, Sep 11, 2015 at 03:49:47PM +0800, Jisheng Zhang wrote:
> If CMA is turned on and CMA size is set to zero, kernel should
> behave as if CMA was not enabled at compile time.
> Every dma allocation should check existence of cma area
> before requesting memory.
> 
> Arm has done this by commit e464ef16c4f0 ("arm: dma-mapping: add
> checking cma area initialized"), also do this for arm64.
> 
> Signed-off-by: Jisheng Zhang <jszhang@marvell.com>

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

Will should pick this up for 4.3.

Thanks.

-- 
Catalin
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[PATCH] arm64: dma-mapping: check whether cma area is initialized or not Jisheng Zhang <jszhang@marvell.com> - 2015-09-11 10:00 +0200
  Re: [PATCH] arm64: dma-mapping: check whether cma area is  initialized or not Catalin Marinas <catalin.marinas@arm.com> - 2015-09-11 13:10 +0200
    Re: [PATCH] arm64: dma-mapping: check whether cma area is  initialized or not Will Deacon <will.deacon@arm.com> - 2015-09-11 13:10 +0200

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