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

[Pavel Emelyanov]

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.

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