From: "Jörn Engel" <joern@wohnheim.fh-wedel.de>
To: Arjan van de Ven <arjanv@redhat.com>
Cc: Keith Owens <kaos@ocs.com.au>, linux-kernel@vger.kernel.org
Subject: Re: 4k stacks in 2.6
Date: Thu, 27 May 2004 17:46:30 +0200 [thread overview]
Message-ID: <20040527154630.GA31077@wohnheim.fh-wedel.de> (raw)
In-Reply-To: <1085672066.7179.3.camel@laptop.fenrus.com>
On Thu, 27 May 2004 17:34:26 +0200, Arjan van de Ven wrote:
>
> you can write "add 100,%esp" as "sub -100, %esp" :)
> compilers seem to do that at times, probably some cpu model inside the
> compiler decides the later is better code in some cases :)
Makes sense (in a way). For x86 and ppc*, my script should be safe as
a nice side effect:
qr/^.*sub \$(0x$x{3,5}),\%esp$/o
Anything above 5 digits is ignored. That also misses allocations
above 1MB, but as long as human stupidity is finite... ;)
Jörn
--
ticks = jiffies;
while (ticks == jiffies);
ticks = jiffies;
-- /usr/src/linux/init/main.c
next prev parent reply other threads:[~2004-05-27 15:47 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1ZQpn-1Rx-1@gated-at.bofh.it>
[not found] ` <1ZQz8-1Yh-15@gated-at.bofh.it>
[not found] ` <1ZRFf-2Vt-3@gated-at.bofh.it>
[not found] ` <203Zu-4aT-15@gated-at.bofh.it>
2004-05-26 13:57 ` Andi Kleen
2004-05-26 18:17 ` hch
2004-05-26 18:24 ` Andi Kleen
2004-05-26 20:39 ` Zwane Mwaikambo
[not found] ` <206b3-5WN-33@gated-at.bofh.it>
[not found] ` <20baw-1Lz-15@gated-at.bofh.it>
2004-05-26 19:32 ` Andi Kleen
2004-05-27 11:27 ` Jörn Engel
2004-05-27 13:49 ` Andrea Arcangeli
2004-05-27 14:15 ` Jörn Engel
2004-05-27 14:49 ` Andrea Arcangeli
2004-05-27 14:59 ` Jörn Engel
2004-05-27 15:08 ` Keith Owens
2004-05-27 15:21 ` Jörn Engel
2004-05-27 15:34 ` Arjan van de Ven
2004-05-27 15:46 ` Jörn Engel [this message]
2004-06-01 5:25 ` Jörn Engel
2004-05-26 15:17 Albert Cahalan
-- strict thread matches above, loose matches on Subject: below --
2004-05-25 19:50 4g/4g for 2.6.6 Rik van Riel
2004-05-25 20:10 ` Rik van Riel
2004-05-25 21:15 ` Andrea Arcangeli
2004-05-26 10:33 ` 4k stacks in 2.6 Ingo Molnar
2004-05-26 12:50 ` Jörn Engel
2004-05-26 12:53 ` Arjan van de Ven
2004-05-26 13:00 ` Jörn Engel
2004-05-26 13:05 ` Arjan van de Ven
2004-05-26 16:41 ` Jörn Engel
2004-05-27 12:45 ` Ingo Molnar
2004-05-27 13:59 ` Andrea Arcangeli
2004-05-27 14:03 ` Arjan van de Ven
2004-05-27 14:42 ` Andrea Arcangeli
2004-06-02 19:40 ` Bill Davidsen
2004-05-27 14:18 ` Brian Gerst
2004-05-27 14:50 ` Andrea Arcangeli
2004-05-27 14:55 ` Linus Torvalds
2004-05-27 15:39 ` Andrea Arcangeli
2004-05-27 18:31 ` Guy Sotomayor
2004-05-27 19:26 ` Brian Gerst
2004-06-07 18:14 ` Timothy Miller
2004-06-08 6:26 ` Arjan van de Ven
2004-06-08 8:45 ` Jörn Engel
2004-05-26 18:12 ` David S. Miller
2004-05-26 19:02 ` Matt Mackall
2004-05-26 19:25 ` Dave Jones
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