July 6, 2017
9:43 a.m.
In fact, I want to allocate a continous of pages from a given physical address for a shm object in shmem_file_setup, might i should write a customized shmem_file_setup2 for this? 在 2017年07月06日 17:30, Kamil Konieczny wrote:
On 06.07.2017 11:04, kipade wrote:
I use arm 32bit cpu, with kernel 3.14 banana-pi ? nano-pi ? orange-pi ? odroid ?
Is it memory region for system registers ?
On 06.07.2017 05:08, kipade wrote:
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?