Hi Mike, On Mon, 20 Jul 2020 at 11:26, Mike Rapoport <rppt@xxxxxxxxxx> wrote: > > From: Mike Rapoport <rppt@xxxxxxxxxxxxx> > > Introduce "secretmemfd" system call with the ability to create memory areas > visible only in the context of the owning process and not mapped not only > to other processes but in the kernel page tables as well. > > The user will create a file descriptor using the secretmemfd system call Without wanting to start a bikeshed discussion, the more common convention in recently added system calls is to use an underscore in names that consist of multiple clearly distinct words. See many examples in https://man7.org/linux/man-pages/man2/syscalls.2.html. Thus, I'd suggest at least secret_memfd(). Also, I wonder whether memfd_secret() might not be even better. There's plenty of precedent for the naming style where related APIs share a common prefix [1]. Thanks, Michael [1] Some examples: epoll_create(2) epoll_create1(2) epoll_ctl(2) epoll_pwait(2) epoll_wait(2) mq_getsetattr(2) mq_notify(2) mq_open(2) mq_timedreceive(2) mq_timedsend(2) mq_unlink(2) sched_get_affinity(2) sched_get_priority_max(2) sched_get_priority_min(2) sched_getaffinity(2) sched_getattr(2) sched_getparam(2) sched_getscheduler(2) sched_rr_get_interval(2) sched_set_affinity(2) sched_setaffinity(2) sched_setattr(2) sched_setparam(2) sched_setscheduler(2) sched_yield(2) timer_create(2) timer_delete(2) timer_getoverrun(2) timer_gettime(2) timer_settime(2) timerfd_create(2) timerfd_gettime(2) timerfd_settime(2) -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/