Hi!
> diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
> index ddf4f93..3c589cf 100644
> --- a/Documentation/cgroups/memory.txt
> +++ b/Documentation/cgroups/memory.txt
> @@ -807,12 +807,14 @@ register a notification, an application must:
>
> - create an eventfd using eventfd(2);
> - open memory.pressure_level;
> -- write string like "<event_fd> <fd of memory.pressure_level> <level>"
> +- write string like "<event_fd> <fd of memory.pressure_level> <level> [strict]"
> to cgroup.event_control.
>
This is.. pretty strange interface. Would it be cleaner to do ioctl()?
New syscall?
> @@ -303,22 +307,33 @@ int vmpressure_register_event(struct cgroup *cg, struct cftype *cft,
> {
> struct vmpressure *vmpr = cg_to_vmpressure(cg);
> struct vmpressure_event *ev;
> + bool smode = false;
> + const char *p;
> int level;
>
> for (level = 0; level < VMPRESSURE_NUM_LEVELS; level++) {
> - if (!strcmp(vmpressure_str_levels[level], args))
> + p = vmpressure_str_levels[level];
> + if (!strncmp(p, args, strlen(p)))
> break;
> }
>
> if (level >= VMPRESSURE_NUM_LEVELS)
> return -EINVAL;
>
> + p = strchr(args, ' ');
> + if (p) {
> + if (strncmp(++p, "strict", 6))
> + return -EINVAL;
> + smode = true;
> + }
> +
This looks like something for bash, not for kernel :-(.
Pavel
--
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