arm64: Honor __GFP_ZERO in dma allocations

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commit 7132813c38 upstream.

Current implementation doesn't zero out the pages allocated.
Honor the __GFP_ZERO flag and zero out if set.

Cc: <stable@vger.kernel.org> # v3.14+
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Suzuki K. Poulose 2015-03-19 18:17:09 +00:00 • committed by Greg Kroah-Hartman

parent 2e1a691e05

commit 78b226ff98

1 changed files with 5 additions and 1 deletions

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arch/arm64/mm/dma-mapping.c

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