linux-kernel - Re: Execute in place

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Message-ID: <463F57CB.4090301@zytor.com>
Date:	Mon, 07 May 2007 09:46:03 -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:
> 
> Isn't everything really just temporary?
> 
> Would something like an mmap'd tmpfs be possible?
> 

No.  tmpfs relies on being able to leave data structures in the running
kernel.  In particular, it has no metadata store at all.

The needs for a persistent filesystem are very different, regardless of
what the underlying medium is.

	-hpa
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