From: Daniel Phillips <phillips@arcor.de>
To: Linus Torvalds <torvalds@transmeta.com>,
Dave McCracken <dmccr@us.ibm.com>,
Wim Coekaerts <wim.coekaerts@oracle.com>
Cc: Daniel Phillips <phillips@arcor.de>,
Andrew Morton <akpm@digeo.com>,
linux-mm@kvack.org
Subject: Re: shared pagetable benchmarking
Date: Sat, 28 Dec 2002 00:56:40 +0100 [thread overview]
Message-ID: <E18S4LJ-0001uu-00@starship> (raw)
In-Reply-To: <Pine.LNX.4.44.0212271244390.771-100000@home.transmeta.com>
On Friday 27 December 2002 21:50, Linus Torvalds wrote:
> On Fri, 27 Dec 2002, Dave McCracken wrote:
> > The other thing it does is eliminate the duplicate pte pages for shared
> > regions everywhere they span a complete pte page. While hugetlb can also
> > do this for some specialized applications, shared page tables will do it
> > for every shared region that's large enough. I dunno whether you
> > consider that important enough to qualify, but I figured I should point
> > it out.
>
> I don't consider it important enough to qualify unless there are some real
> loads where it really matters.
Well, I know IBM has real loads that it matters on, otherwise Dave wouldn't
be on this. I have reason to believe Oracle has loads that care about this
as well, so it's time for somebody there to either speak up or kiss this
facility goodbye for another cycle or two. Wim?
--
Daniel
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next prev parent reply other threads:[~2002-12-27 23:56 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-20 11:11 Andrew Morton
2002-12-20 11:13 ` William Lee Irwin III
2002-12-20 16:30 ` Dave McCracken
2002-12-20 19:59 ` Andrew Morton
2002-12-23 16:15 ` Dave McCracken
2002-12-23 23:54 ` Andrew Morton
2002-12-27 9:39 ` Daniel Phillips
2002-12-27 9:58 ` Andrew Morton
2002-12-27 15:59 ` Daniel Phillips
2002-12-27 20:02 ` Linus Torvalds
2002-12-27 20:16 ` Dave McCracken
2002-12-27 20:18 ` Linus Torvalds
2002-12-27 20:45 ` Dave McCracken
2002-12-27 20:50 ` Linus Torvalds
2002-12-27 23:56 ` Daniel Phillips [this message]
2002-12-28 0:45 ` Martin J. Bligh
2002-12-28 2:34 ` Andrew Morton
2002-12-28 3:10 ` Linus Torvalds
2002-12-28 6:58 ` Andrew Morton
2002-12-28 7:39 ` Ingo Molnar
2002-12-28 7:47 ` Linus Torvalds
2002-12-28 23:28 ` Andrew Morton
2002-12-28 3:19 ` Martin J. Bligh
2002-12-23 18:19 ` Dave McCracken
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