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? -- Best regards, Kamil Konieczny Samsung R&D Institute Poland _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies