[RFC][v8][PATCH 4/10]: Add target_pid parameter to alloc_pidmap()

[Sukadev Bhattiprolu]

Pavel Emelyanov [xemul at openvz.org] wrote:
| Sukadev Bhattiprolu wrote:
| > 
| > Subject: [RFC][v8][PATCH 4/10]: Add target_pid parameter to alloc_pidmap()
| > 
| 
| [ snip ]
| 
| > @@ -146,16 +146,22 @@ static int alloc_pidmap_page(struct pidm
| >  	return 0;
| >  }
| >  
| > -static int alloc_pidmap(struct pid_namespace *pid_ns)
| > +static int alloc_pidmap(struct pid_namespace *pid_ns, int target_pid)
| 
| Please no! Better create another function, that will just
| atomic_test_and_set() the proper bit in the map. This one
| is heavy enough already.

I had a set_pidmap() function before:

	http://lkml.org/lkml/2009/8/7/24

but dropped it based on some comments and the current version evolved
from it. I could go back to that if it still makes sense.

Thanks,

Sukadev