off_4k 57 arch/arm64/kernel/sys32.c unsigned long, fd, unsigned long, off_4k) off_4k 59 arch/arm64/kernel/sys32.c if (off_4k & (~PAGE_MASK >> 12)) off_4k 62 arch/arm64/kernel/sys32.c off_4k >>= (PAGE_SHIFT - 12); off_4k 64 arch/arm64/kernel/sys32.c return ksys_mmap_pgoff(addr, len, prot, flags, fd, off_4k);