- fix memory accounting when reserved memory is in high memory region;
- fix DMA allocation from high memory.
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Merge tag 'xtensa-20180225' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa fixes from Max Filippov:
"Two fixes for reserved memory/DMA buffers allocation in high memory on
xtensa architecture
- fix memory accounting when reserved memory is in high memory region
- fix DMA allocation from high memory"
* tag 'xtensa-20180225' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: support DMA buffers in high memory
xtensa: fix high memory/reserved memory collision