Hello,
I have implemented a write() call for my character driver. I need to get
the page address of the "__user" buffer passed in write() call from user
space. The idea is to get the actual physical address corresponding to
user address and then do DMA operations using that physical address. But
for that I will require page address first. Is there any way I can get
the corresponding page address of a "__user" buffer??
Thanks in advance,
Vishal
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