Re: [PATCH 0/5] make slab gfp fair

Score:

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

To: Peter Zijlstra <a.p.zijlstra@...>

Cc: <linux-kernel@...>, <linux-mm@...>, Thomas Graf <tgraf@...>, David Miller <davem@...>, Andrew Morton <akpm@...>, Daniel Phillips <phillips@...>, Pekka Enberg <penberg@...>, Matt Mackall <mpm@...>

Subject: Re: [PATCH 0/5] make slab gfp fair

Date: Thursday, May 17, 2007 - 1:29 pm

On Thu, 17 May 2007, Peter Zijlstra wrote:

quoted text> I'm really not seeing why you're making such a fuzz about it; normally
> when you push the system this hard we're failing allocations left right
> and center too. Its just that the block IO path has some mempools which
> allow it to write out some (swap) pages and slowly get back to sanity.

I am weirdly confused by these patches. Among other things you told me 
that the performance does not matter since its never (or rarely) being 
used (why do it then?). Then we do these strange swizzles with reserve 
slabs that may contain an indeterminate amount of objects.

-
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 14, 9:19 am)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Wed May 16, 11:02 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Thu May 17, 3:08 am)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Thu May 17, 1:29 pm)

Re: [PATCH 0/5] make slab gfp fair, Matt Mackall, (Thu May 17, 1:53 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Thu May 17, 2:02 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Thu May 17, 3:18 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Thu May 17, 3:24 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Thu May 17, 5:26 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Thu May 17, 6:27 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Fri May 18, 5:54 am)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Fri May 18, 1:11 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Sun May 20, 4:39 am)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 21, 12:45 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 21, 3:33 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 21, 3:43 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 21, 4:08 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 21, 4:32 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 21, 4:54 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 21, 5:04 pm)

Re: [PATCH 0/5] make slab gfp fair, Paul Jackson, (Fri May 18, 1:11 pm)

Re: [PATCH 0/5] make slab gfp fair, Paul Jackson, (Thu May 17, 5:44 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Thu May 17, 1:52 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Thu May 17, 1:59 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 14, 11:53 am)

Re: [PATCH 0/5] make slab gfp fair, Matt Mackall, (Mon May 14, 12:12 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 14, 12:29 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 14, 1:40 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 14, 1:57 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 14, 3:28 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 14, 3:56 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 14, 4:03 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 14, 4:25 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 14, 4:06 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 14, 4:12 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Tue May 15, 1:27 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Tue May 15, 6:02 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Wed May 16, 2:59 am)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Wed May 16, 2:43 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Wed May 16, 3:25 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Wed May 16, 3:53 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Wed May 16, 4:18 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Wed May 16, 4:27 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Wed May 16, 4:40 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Wed May 16, 4:44 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Wed May 16, 4:54 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Wed May 16, 4:59 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Wed May 16, 5:04 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Wed May 16, 5:13 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Wed May 16, 5:20 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Wed May 16, 5:42 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Thu May 17, 3:28 am)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Thu May 17, 1:30 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Thu May 17, 1:53 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Thu May 17, 2:01 pm)

Re: [PATCH 0/5] make slab gfp fair, Andrew Morton, (Mon May 14, 3:44 pm)

Re: [PATCH 0/5] make slab gfp fair, Matt Mackall, (Mon May 14, 4:01 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 14, 4:05 pm)

Re: [PATCH 0/5] make slab gfp fair, Peter Zijlstra, (Mon May 14, 12:10 pm)

Re: [PATCH 0/5] make slab gfp fair, Christoph Lameter, (Mon May 14, 12:37 pm)


linux-kernel:
Linus Torvalds	Linux 2.6.27-rc8
Greg Kroah-Hartman	[PATCH 001/196] Chinese: Add the known_regression URI to the HOWTO
Mark Lord	Re: Linux 2.6.24-rc7
Andi Kleen	Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory Access Control Kernel
git:
Alex Riesen	Re: First cut at git port to Cygwin
Sverre Rabbelier	Git vs Monotone
Stephen R. van den Berg	[RFC] origin link for cherry-pick and revert
Len Brown	fatal: unable to create '.git/index': File exists
openbsd-misc:
Richard Stallman	Real men don't attack straw men
GVG GVG	ssh_exchange_identification: Connection closed by remote host
Chris	Prolific USB-Serial Controller
Karl Sjödahl - dunceor	Re: Routerboard 532 Bounty
linux-netdev:
KOSAKI Motohiro	[bug?] tg3: Failed to load firmware "tigon/tg3_tso.bin"
Linus Torvalds	Re: [GIT]: Networking
Denys Fedoryshchenko	packetloss, on e1000e worse than r8169?
Ilpo Järvinen	Re: [bug] stuck localhost TCP connections, v2.6.26-rc3+


Kernel Module Oops! TRICKY PROBLEM!	7 hours ago	Linux kernel
usb mic not detected	10 hours ago	Applications and Utilities
linux-2.6.10	17 hours ago	Linux kernel
How to detect usb device insertioin and removal event ?	20 hours ago	Linux general
Extended configuration Read/Write	21 hours ago	Windows
Add ext2 inode field	1 day ago	Linux kernel
the kernel how to power off the machine	1 day ago	Linux kernel
struct gendisk via request_queue	1 day ago	Linux kernel
page initialization during kernel initialization	2 days ago	Linux kernel
Read Transport Layer Data form network packets (tcp/ip)	3 days ago	Linux kernel

Re: [PATCH 0/5] make slab gfp fair

Online users