linux-kernel - Re: [PATCH] x86: replace mm_context_t.ia32_compat by MMF

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Message-ID: <20111007093113.GB6791@redhat.com>
Date:	Fri, 7 Oct 2011 11:31:13 +0200
From:	Johannes Weiner <jweiner@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Stephen Wilson <wilsons@...rt.ca>,
	Al Viro <viro@...iv.linux.org.uk>,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86: replace mm_context_t.ia32_compat by MMF_COMPAT

On Wed, Sep 28, 2011 at 08:41:49PM +0200, Oleg Nesterov wrote:
> Kill mm_context_t.ia32_compat in favour of arch-independent MMF_COMPAT
> flag. This saves a word in mm_struct, and the new flag can be probably
> use outside of arch/x86/.
> 
> Also, remove the "if (current->mm)" check from set_personality_*().
> This can only be called after exec_mmap() installs the new mm != NULL.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: Johannes Weiner <jweiner@...hat.com>
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