hello, when I declare a buffer statically in a module ( char buf[1024]), and later use __pa(buf) and virt_to_phys(buf),I get an address beyond the physical memory bound. how to get the real physical address of such buffers if I wanna mmap them to user space? thank you very much . any instructions pls. fwd to my address. George .Shu :.˛mkabzwmb˛mbz_^nrzh&zzޗ++zfh~iz_j:+v)ߣmSy杶ii