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(parent: 2e1a691) | patch
arm64: Honor __GFP_ZERO in dma allocations
authorSuzuki K. Poulose <suzuki.poulose@arm.com>
Thu, 19 Mar 2015 18:17:09 +0000 (18:17 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 26 Mar 2015 14:06:59 +0000 (15:06 +0100)
commit78b226ff98dcf4f5bd6bb696f3305df19eefdc8f
tree42280f89611a0b5ac1b27ff5d4971fe25a81b05ftree | snapshot
parent2e1a691e057140b6b559e885b2876581dc249489commit | diff
arm64: Honor __GFP_ZERO in dma allocations

commit 7132813c384515c9dede1ae20e56f3895feb7f1e 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>
arch/arm64/mm/dma-mapping.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git