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Raspberry Pi OS • Question: Is Pi5 ZONE_DMA also limited to 30-bit addressable memory?

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https://github.com/raspberrypi/linux/bl ... init.c#L59

"...By default ZONE_DMA covers the 32-bit addressable memory
* unless restricted on specific platforms (e.g. 30-bit on Raspberry Pi 4). ..."

Is Pi5 ZONE_DMA also limited to 30-bit addressable memory?
Where in the raspberry pi os source code is it defined that ("if(Pi4) ZONE_DMA = range from xxxxxxxxxx - zzzzzzzzz"; //thats 30-bits range)

Statistics: Posted by henri2134234 — Mon Dec 25, 2023 9:52 pm



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