From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Mon, 30 Apr 2001 15:02:40 -0400 (EDT)
From: "Benjamin C.R. LaHaise" <blah@kvack.org>
Subject: Re: Hopefully a simple question on /proc/pid/mem
In-Reply-To: <Pine.GSO.4.21.0104301457010.5737-100000@weyl.math.psu.edu>
Message-ID: <Pine.LNX.3.96.1010430145934.30664D-100000@kanga.kvack.org>
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To: Alexander Viro <viro@math.psu.edu>
Cc: "Stephen C. Tweedie" <sct@redhat.com>, Richard F Weber <rfweber@link.com>, linux-mm@kvack.org
List-ID: <linux-mm.kvack.org>

On Mon, 30 Apr 2001, Alexander Viro wrote:

> I wonder what's wrong with reading from /proc/<pid>/mem, though - it's
> using the same code as ptrace.

We can actually do this cleanly now that we have proper page_dirty
semantics for raw io.  The original reason for disabling /proc/*/mem was
that it left big gaping holes in the mm code in 2.0, and it hasn't been
repaired since.

		-ben

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