[CRIU] [RFC] criu: Drop prlimit compat layer

[Pavel Emelyanov]

On 04/02/2016 10:21 PM, Cyrill Gorcunov wrote:
> Previously when we've been on early stage we
> tried to workaround lack of prlimit libc call
> simply providing own implementation,  but it
> cause problems on some libc configurations so
> simply use rlimit64 and __NR_prlimit64 syscall
> directly.
> 
> The kernel must support __NR_prlimit64 syscall
> and provide rlimit64 structure as well.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
> ---
> 
> Guys, take a look please, I think this would be better
> than emulating prlimit libc's function. I run on x86
> only, so help from other arch people would be appreciated.

We've already tried smth similar and ended up with the
#ifndef __NR_foo
#define __NR_foo 123
#endif
stuff hanging around. I think we should have the same here.