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(parent: 6319cf0) | patch
arm64: make default ARM64_DMA_IOMMU_ALIGNMENT as 9
authorShiraz Hashim <shashim@codeaurora.org>
Mon, 10 Apr 2017 03:04:46 +0000 (08:34 +0530)
committerShiraz Hashim <shashim@codeaurora.org>
Mon, 10 Apr 2017 09:05:20 +0000 (14:35 +0530)
commitec7675bd683dd51cd0a3592f752301de304dd620
treebd13df455e2b87edd84c8de2784eb679b93b8d94tree | snapshot
parent6319cf033ba2da8fdbdfcbdd159b20450a871726commit | diff
arm64: make default ARM64_DMA_IOMMU_ALIGNMENT as 9

To realize section mapping of 2MB in arm64 iommu mappings,
set ARM64_DMA_IOMMU_ALIGNMENT to 9 so that 2MB aligned
virtual address can be allocated based on size.

2MB section mapping in iommu page tables would ensure less
pressure on TLBs.

Change-Id: Id22e935e113bee2a4ae7aeab15bcf17b7b6f3c78
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>
arch/arm64/Kconfig diff | blob | history
Mirror: https://github.com/0ranko0P/kernel_xiaomi_msm8998/
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