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 <jszh...@marvell.com>
Acked-by: Catalin Marinas <catalin.mari...@arm.com>
Will should pick this up for 4.3.
Thanks.
--
Catalin
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