From 7132813c384515c9dede1ae20e56f3895feb7f1e Mon Sep 17 00:00:00 2001
From: "Suzuki K. Poulose" <suzuki.poulose@arm.com>
Date: Thu, 19 Mar 2015 18:17:09 +0000
Subject: [PATCH] arm64: Honor __GFP_ZERO in dma allocations

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>
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