From: Benjamin LaHaise <bcrl@redhat.com>
To: "David S. Miller" <davem@redhat.com>
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: please revert bogus patch to vmscan.c
Date: Mon, 29 Oct 2001 18:57:44 -0500 [thread overview]
Message-ID: <20011029185743.M25434@redhat.com> (raw)
In-Reply-To: <20011029184821.K25434@redhat.com> <20011029.155056.23033599.davem@redhat.com> <20011029185158.L25434@redhat.com> <20011029.155559.64018347.davem@redhat.com>
In-Reply-To: <20011029.155559.64018347.davem@redhat.com>; from davem@redhat.com on Mon, Oct 29, 2001 at 03:55:59PM -0800
On Mon, Oct 29, 2001 at 03:55:59PM -0800, David S. Miller wrote:
> Doing range flushes is not the answer. It is going to be about
> the same cost as doing per-page flushes.
>
> The cost is doing the cross calls at all, not the granularity in which
> we do them.
>
> You're refusing to do any work to prove whether your case matters
> at all in real life, and you're calling other people assholes for
> asking that you do so.
See Paul's message. ia64 does the same thing with hardware walked hashed
page tables. Now, do you want to pay for the 2 days of time you want me
to commit to investigating something which is obvious to me? I don't think
so.
-ben
next prev parent reply other threads:[~2001-10-29 23:57 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-29 23:08 please revert bogus patch to vmscan.c Benjamin LaHaise
2001-10-29 23:14 ` David S. Miller
2001-10-29 23:15 ` Benjamin LaHaise
2001-10-29 23:25 ` Linus Torvalds
2001-10-29 23:33 ` Benjamin LaHaise
2001-10-29 23:36 ` David S. Miller
2001-10-29 23:39 ` Benjamin LaHaise
2001-10-29 23:41 ` Linus Torvalds
2001-10-29 23:48 ` Benjamin LaHaise
2001-10-29 23:50 ` David S. Miller
2001-10-29 23:51 ` Benjamin LaHaise
2001-10-29 23:55 ` David S. Miller
2001-10-29 23:57 ` Benjamin LaHaise [this message]
2001-10-30 0:01 ` David S. Miller
2001-10-30 0:05 ` Benjamin LaHaise
2001-10-29 23:58 ` Linus Torvalds
2001-10-30 1:31 ` Rik van Riel
2001-10-30 1:34 ` David S. Miller
2001-10-30 1:42 ` Linus Torvalds
2001-10-30 1:46 ` David S. Miller
2001-10-30 2:25 ` Benjamin LaHaise
2001-10-30 15:20 ` Andrea Arcangeli
2001-10-30 15:34 ` Rik van Riel
2001-10-30 15:51 ` Andrea Arcangeli
2001-10-30 16:34 ` Benjamin LaHaise
2001-10-30 17:00 ` Andrea Arcangeli
2001-10-30 17:07 ` Rik van Riel
2001-10-30 16:13 ` Giuliano Pochini
2001-10-30 16:54 ` Andrea Arcangeli
2001-10-30 17:23 ` Giuliano Pochini
2001-10-30 17:30 ` Andrea Arcangeli
2001-10-31 0:38 ` Paul Mackerras
[not found] ` <15327.8495.767553.389519@cargo.ozlabs.ibm.com>
2001-10-31 1:57 ` Andrea Arcangeli
2001-10-30 16:38 ` Linus Torvalds
2001-10-30 16:47 ` Benjamin LaHaise
2001-10-30 16:57 ` Victor Yodaiken
2001-10-30 17:16 ` Troy Benjegerdes
2001-10-30 17:17 ` Linus Torvalds
2001-10-30 17:51 ` Victor Yodaiken
2001-10-30 18:01 ` Cort Dougan
2001-10-30 21:39 ` Paul Mackerras
2001-10-30 22:36 ` Victor Yodaiken
2001-10-30 17:23 ` Benjamin Herrenschmidt
2001-10-30 17:36 ` Benjamin Herrenschmidt
2001-10-30 17:41 ` Linus Torvalds
2001-10-30 1:49 ` Benjamin LaHaise
2001-10-30 9:03 ` Alan Cox
2001-10-29 23:22 ` Linus Torvalds
2001-10-29 23:29 ` Benjamin LaHaise
2001-10-29 23:44 ` Linus Torvalds
2001-10-30 0:02 ` Hugh Dickins
2001-10-30 0:04 ` Linus Torvalds
2001-10-30 0:04 ` David S. Miller
2001-10-29 23:51 ` Paul Mackerras
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