How to alloc_pages from a given physical memory?

kipade kipade at 163.com
Wed Jul 5 23:08:08 EDT 2017


Here I want to allocate a block of shared memory from a given physical 
address, such as 0x90000000, 6M. However, alloc_pages can't fit this 
point. I had reserved enugh pages via cmem, there also have enough 
continous pages for such allocation anywhere else. What should I do?





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