From: William Lee Irwin III <wli@holomorphy.com>
To: Marc Singer <elf@buici.com>
Cc: linux-mm <linux-mm@kvack.org>
Subject: Re: vmscan.c heuristic adjustment for smaller systems
Date: Sun, 18 Apr 2004 12:05:14 -0700 [thread overview]
Message-ID: <20040418190514.GC743@holomorphy.com> (raw)
In-Reply-To: <20040418180614.GA29280@flea>
On Sun, Apr 18, 2004 at 10:53:24AM -0700, William Lee Irwin III wrote:
>> Well, there's a point of some kind to it.
On Sun, Apr 18, 2004 at 11:06:14AM -0700, Marc Singer wrote:
> I don't think I understand what you mean.
Feeding the replacement heuristics better input tends to get better
results, or something on that order.
On Sun, Apr 18, 2004 at 10:53:24AM -0700, William Lee Irwin III wrote:
>> Actually ptep_to_address() should find the uvaddr for you.
On Sun, Apr 18, 2004 at 11:06:14AM -0700, Marc Singer wrote:
> The set_pte function is assembler coded. For a proof of concept, I am
> willing to be blunt.
If you're stuck examining struct page you might want to keep it in C for
a while.
On Sun, Apr 18, 2004 at 10:53:24AM -0700, William Lee Irwin III wrote:
>> I'm not going to tell ou what your results are.
On Sun, Apr 18, 2004 at 11:06:14AM -0700, Marc Singer wrote:
> Perhaps, though, this isn't such a bad result. It could mean that the
> lazy TLB flush is OK and that my bug is something different. Or, it
> could mean that I'm still doing the flush incorrectly and that that is
> the correct solution were it done right.
Was this the one-liner in vmscan.c from earlier?
-- wli
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next prev parent reply other threads:[~2004-04-18 19:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20040418174743.GC28744@flea>
[not found] ` <20040418175324.GB743@holomorphy.com>
2004-04-18 18:06 ` Marc Singer
2004-04-18 19:05 ` William Lee Irwin III [this message]
2004-04-18 17:48 Marc Singer
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