Re: [PATCH] pid: Don't hash pid 0.

[Andrew Morton]

ebiederm@xxxxxxxxxxxx (Eric W. Biederman) wrote:
>
> pid 0 is never exported to userspace, so hashing it servers no useful
>  purpose.

uh-huh.

>  Explicitly not hashing pid 0 allows struct pid to be marked as not
>  hashed, and it allows us to avoid checks if for pid 0 when searching
>  for processes to signal if pid 0 does not have a special meaning.

Were you planning on sending a patch to avoid those checks?  Because right
now, this patch looks like a net loss.
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