linux-kernel - Re: [RFC 1/2] move binfmt filed to signal

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Message-Id: <20090722220353.88B2A67B6E@magilla.sf.frob.com>
Date:	Wed, 22 Jul 2009 15:03:53 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>,
	linux-kernel@...r.kernel.org, Oleg Nesterov <oleg@...sign.ru>
Subject: Re: [RFC 1/2] move binfmt filed to signal_struct

> > Because the binfmt is not different between threads in the same process,
> > it can be moved from task_struct to signal_struct.
> 
> Seems like a logical cleanup to me.

IMHO binfmt belongs in mm_struct.

> We should rename signal_struct.

Indeed, it's in fact 'struct process'.  But historically Linus has objected
to admitting that there is really a concept of process in the POSIX sense
that exists deep in the implementation (as it truly does for years now),
beyond "tasks that happen to share a lot of CLONE_* stuff".  The name
signal_struct is sufficiently misleading to make it easier to retain the
fantasy he prefers. ;-)

Thanks,
Roland
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