arm64/mm: Limit the DMA zone for arm64
On RaspberryPi, only the first 1Gb can be used for DMA[1].
[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2019-July/665986.html
Signed-off-by:
Andrei Gherzan <andrei@balena.io>
parent
08282ccf
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