linux-kernel - Re: Execute in place

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Date:	Tue, 08 May 2007 04:37:19 -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:
> 
> You don't really think that anybody is suggesting to store the tmpfs data 
> without any coherency, do you?
> 
> I am suggesting that you can easily isolate tmpfs coherency from the rest of 
> the page-cache, by simply streaming tmpfs data out to an mmap and plugging 
> it with the tmpfs fat on umount.  And streaming things back in on mount.
> 

You still don't get it, do you?

tmpfs metadata doesn't live in the pagecache.

	-hpa
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