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To: "David S. Miller" <davem@redhat.com>
Cc: Linus Torvalds <torvalds@transmeta.com>, Serge Orlov <sorlov@con.mcst.ru>,
        <linux-kernel@vger.kernel.org>,
        Jakob ?stergaard <jakob@unthought.net>
Subject: Re: Linux 2.4.2 fails to merge mmap areas, 700% slowdown.
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From: buhr@stat.wisc.edu (Kevin Buhr)
In-Reply-To: "David S. Miller"'s message of "Tue, 20 Mar 2001 17:38:57 -0800 (PST)"
Date: 21 Mar 2001 14:19:13 -0600
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"David S. Miller" <davem@redhat.com> writes:
> 
> It is the garbage collector scheme used for memory allocation in gcc
> >=2.96 that triggers the bad cases seen by Serge.

Ahhh!  Thanks for the info.

I'm still happy to help test out the patch, but I guess it's not
likely to affect my 2.95.2 numbers much at all.  Maybe I can get a
snapshot of GCC 3.0 up and running, though, and test that out.

Thanks.

Kevin <buhr@stat.wisc.edu>
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