Re: [PATCH 0/4] pid: add pidctl()

[Daniel Colascione]

On Mon, Mar 25, 2019 at 9:56 AM David Howells <dhowells@xxxxxxxxxx> wrote:
> Daniel Colascione <dancol@xxxxxxxxxx> wrote:
>
> > System calls are cheap.
>
> Only to a point.  x86_64 will have an issue when we hit syscall 512.  We're
> currently at 427.

IIRC, a while ago, someone proposed restarting system call numbering
above (again, IIRC) 1024 for both 32- and 64-bit varieties to
establish a clean slate and sidestep this problem.