prevent_read_write_user 65 arch/powerpc/include/asm/futex.h prevent_read_write_user(uaddr, uaddr, sizeof(*uaddr)); prevent_read_write_user 101 arch/powerpc/include/asm/futex.h prevent_read_write_user(uaddr, uaddr, sizeof(*uaddr)); prevent_read_write_user 318 arch/powerpc/include/asm/uaccess.h prevent_read_write_user(to, from, n);