arm64: document the choice of page attributes for pgprot_dmacoherent
authorChristoph Hellwig <hch@lst.de>
Sat, 3 Aug 2019 09:38:31 +0000 (12:38 +0300)
committerChristoph Hellwig <hch@lst.de>
Thu, 29 Aug 2019 14:43:33 +0000 (16:43 +0200)
commit3e4e1d3fb89193cc072858e1469d6f2926c603f7
treeebe5eaf02d6c67fc232ae004c0de611e981d3015
parent8e3a68fb55e00e0760bd8023883e064f1f93c62d
arm64: document the choice of page attributes for pgprot_dmacoherent

Based on an email from Will Deacon.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
arch/arm64/include/asm/pgtable.h