RE: larger default page sizes...

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From: Luck, Tony
Date: Wednesday, March 26, 2008 - 10:05 am

> That's not entirely true. We have a dynamic pool now, thanks to Adam

Things are better than I thought ... though the phrase "more likely
to succeed" doesn't fill me with confidence.  Instead I imagine a
system where an occasional spike in memory load causes some memory
fragmentation that can't be handled, and so from that point many of
the applications that relied on huge pages take a 10% performance
hit.  This results in sysadmins scheduling regular reboots to unjam
things. [Reminds me of the instructions that came with my first
flatbed scanner that recommended rebooting the system before and
after each use :-( ]


This is also better than I thought ... sounds like some really
good things have already happened here.

-Tony
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Messages in current thread:
[11/14] vcompound: Fallbacks for order 1 stack allocations ..., Christoph Lameter, (Thu Mar 20, 11:17 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocat ..., Christoph Lameter, (Fri Mar 21, 10:33 am)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocat ..., Christoph Lameter, (Fri Mar 21, 10:40 am)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocat ..., Christoph Lameter, (Fri Mar 21, 12:04 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocat ..., Christoph Lameter, (Mon Mar 24, 11:27 am)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocat ..., Christoph Lameter, (Mon Mar 24, 12:53 pm)
larger default page sizes..., David Miller, (Mon Mar 24, 1:37 pm)
Re: larger default page sizes..., Christoph Lameter, (Mon Mar 24, 2:05 pm)
RE: larger default page sizes..., Luck, Tony, (Mon Mar 24, 2:25 pm)
Re: larger default page sizes..., David Miller, (Mon Mar 24, 2:43 pm)
Re: larger default page sizes..., David Miller, (Mon Mar 24, 2:46 pm)
Re: larger default page sizes..., Paul Mackerras, (Mon Mar 24, 8:29 pm)
Re: larger default page sizes..., David Miller, (Mon Mar 24, 9:15 pm)
Re: larger default page sizes..., Paul Mackerras, (Tue Mar 25, 4:50 am)
Re: larger default page sizes..., Andi Kleen, (Tue Mar 25, 5:05 am)
RE: [11/14] vcompound: Fallbacks for order 1 stack allocat ..., Christoph Lameter, (Tue Mar 25, 10:42 am)
Re: larger default page sizes..., Christoph Lameter, (Tue Mar 25, 10:48 am)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocat ..., Christoph Lameter, (Tue Mar 25, 10:55 am)
Re: larger default page sizes..., Dave Hansen, (Tue Mar 25, 11:27 am)
RE: [11/14] vcompound: Fallbacks for order 1 stack allocat ..., Christoph Lameter, (Tue Mar 25, 12:25 pm)
Re: larger default page sizes..., Paul Mackerras, (Tue Mar 25, 2:27 pm)
Re: larger default page sizes..., David Miller, (Tue Mar 25, 4:22 pm)
Re: larger default page sizes..., David Miller, (Tue Mar 25, 4:32 pm)
Re: larger default page sizes..., Peter Chubb, (Tue Mar 25, 4:41 pm)
RE: larger default page sizes..., Luck, Tony, (Tue Mar 25, 4:49 pm)
Re: larger default page sizes..., David Miller, (Tue Mar 25, 4:49 pm)
Re: larger default page sizes..., David Miller, (Tue Mar 25, 5:16 pm)
Re: larger default page sizes..., Peter Chubb, (Tue Mar 25, 5:25 pm)
Re: larger default page sizes..., David Miller, (Tue Mar 25, 5:31 pm)
Re: larger default page sizes..., David Mosberger-Tang, (Tue Mar 25, 5:34 pm)
Re: larger default page sizes..., David Miller, (Tue Mar 25, 5:39 pm)
Re: larger default page sizes..., Peter Chubb, (Tue Mar 25, 5:57 pm)
Re: larger default page sizes..., John Marvin, (Tue Mar 25, 9:16 pm)
Re: larger default page sizes..., David Miller, (Tue Mar 25, 9:36 pm)
Re: larger default page sizes..., Paul Mackerras, (Tue Mar 25, 10:24 pm)
Re: larger default page sizes..., Nish Aravamudan, (Wed Mar 26, 8:54 am)
Re: larger default page sizes..., Linus Torvalds, (Wed Mar 26, 8:59 am)
RE: larger default page sizes..., Luck, Tony, (Wed Mar 26, 10:05 am)
Re: larger default page sizes..., Christoph Lameter, (Wed Mar 26, 10:56 am)
Re: larger default page sizes..., Mel Gorman, (Wed Mar 26, 11:54 am)
Re: larger default page sizes..., David Miller, (Wed Mar 26, 4:21 pm)
Re: larger default page sizes..., Paul Mackerras, (Wed Mar 26, 6:08 pm)
Re: larger default page sizes..., Paul Mackerras, (Wed Mar 26, 8:00 pm)