linux-kernel - Re: Execute in place

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Message-ID: <4640137A.8030000@zytor.com>
Date:	Mon, 07 May 2007 23:06:50 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Al Boldi <a1426z@...ab.com>
CC:	Dmitry Krivoschekov <dmitry.krivoschekov@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Execute in place

Al Boldi wrote:
> 
>> What you're talking about is, *and should be*, a different filesystem.
>> You will relatively quickly find that you have to deal with the same
>> kind of stuff that you have to in any filesystem.
> 
> That's exactly what I want to avoid, as this would introduce a performance 
> penalty.
> 
> All we need is a periodically synced tmpfs to mmap, with a minimal stream 
> into page-cache algo on mount.
> 

... which would be completely useless, because you wouldn't get any sort
of coherency; you would have pointers pointing into space, etc. etc.

Sorry, it's useless.

	-hpa
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