hi,
Can i "mmap" a physical memory region (part of dram) not given to linux, using remap_pfn_range ? During booting instead of giving whole available memory to linux i have reserved around 10 MB which i use as a shared memory between driver and user space application. Can i pass this pfn no. to remap_pfn_range to get the mapping done for user space application?
Thanks,
Ashley.
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