3.14.28 Kernel: unmap_single() and dma_map_single()

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3.14.28 Kernel: unmap_single() and dma_map_single()

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norishinozaki
Contributor V

Hello,

My customer is asking following questions about 3.14.28_1.0.1 kernel.

1. unmap_single() and dma_map_single() are supported in i.MX6

2. Max size can be allocated by kmallc(4MB?)

Knowing NXP is using Linaro Kernel, but can anybody answer these questions?

Best regards,

Nori Shinozaki

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igorpadykov
NXP Employee
NXP Employee

Hi Nori

right, max. size is 4MB, as explained on

http://stackoverflow.com/questions/12094673/kzalloc-maxmum-size-at-a-single-call

Best regards

igor

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