xen/arm: simplify dma_cache_maint

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Calculate the required operation in the caller, and pass it directly
instead of recalculating it for each page, and use simple arithmetics
to get from the physical address to Xen page size aligned chunks.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

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Christoph Hellwig 2019-07-24 15:26:08 +02:00

parent a8e6d950cd

commit efcd5729d9

1 changed files with 21 additions and 40 deletions

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arch/arm/xen/mm.c

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