On Fri, 8 May 2020 11:36:53 -0700 Minchan Kim <minchan@xxxxxxxxxx> wrote: > > ... > > Per Vlastimil's request, I changed "which and advise" with "idtype and > advice" in function prototype of description. > Could you replace the part in the description? Code is never changed. > Done, but... > > ... > > There is a demand[1] to support pid as well pidfd for process_madvise to > reduce unnecessary syscall to get pidfd if the user has control of the > target process(ie, they could guarantee the process is not gone or pid is > not reused). > > This patch aims for supporting both options like waitid(2). So, the > syscall is currently, > > int process_madvise(idtype_t idtype, id_t id, void *addr, > size_t length, int advice, unsigned long flags); > > @which is actually idtype_t for userspace libray and currently, it > supports P_PID and P_PIDFD. What does "@which is actually idtype_t for userspace libray" mean? Can you clarify and expand? Also, does this userspace library exist? If so, where is it? > > ... >
