Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK

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

Cc: Nick Piggin <nickpiggin@...>, Christoph Hellwig <hch@...>, Mel Gorman <mel@...>, <linux-fsdevel@...>, <linux-kernel@...>, David Chinner <dgc@...>, Jens Axboe <jens.axboe@...>, <akpm@...>

Subject: Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK

Date: Monday, October 1, 2007 - 5:01 pm

On Sat, 29 Sep 2007, Peter Zijlstra wrote:

quoted text> 
> On Fri, 2007-09-28 at 11:20 -0700, Christoph Lameter wrote:
> 
> > Really? That means we can no longer even allocate stacks for forking.
> 
> I think I'm running with 4k stacks...

4k stacks will never fly on an SGI x86_64 NUMA configuration given the 
additional data that may be kept on the stack. We are currently 
considering to go from 8k to 16k (or even 32k) to make things work. So 
having the ability to put the stacks in vmalloc space may be something to 
look at.

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Messages in current thread:

[15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Tue Sep 18, 11:36 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Thu Sep 27, 5:42 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Fri Sep 28, 1:33 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Fri Sep 28, 1:14 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 4:50 pm)

SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 12:16 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 1:38 pm)

Re: SLUB performance regression vs SLAB, Arjan van de Ven, (Thu Oct 4, 1:50 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 4:48 pm)

RE: SLUB performance regression vs SLAB, David Schwartz, (Thu Oct 4, 7:39 pm)

Re: SLUB performance regression vs SLAB, Chuck Ebbert, (Thu Oct 4, 7:49 pm)

RE: SLUB performance regression vs SLAB, David Schwartz, (Fri Oct 5, 12:18 am)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 4:58 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 5:11 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 5:05 pm)

Re: SLUB performance regression vs SLAB, Peter Zijlstra, (Thu Oct 4, 2:26 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 1:58 pm)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 2:32 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 1:49 pm)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 3:28 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 4:55 pm)

Re: SLUB performance regression vs SLAB, Chuck Ebbert, (Thu Oct 4, 5:02 pm)

Re: SLUB performance regression vs SLAB, Peter Zijlstra, (Fri Oct 5, 4:32 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Fri Oct 5, 5:31 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 5:11 pm)

Re: SLUB performance regression vs SLAB, Chuck Ebbert, (Thu Oct 4, 5:47 pm)

Re: SLUB performance regression vs SLAB, David Miller, (Thu Oct 4, 6:07 pm)

Re: SLUB performance regression vs SLAB, David Chinner, (Thu Oct 4, 6:23 pm)

Re: SLUB performance regression vs SLAB, Jens Axboe, (Fri Oct 5, 2:48 am)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Fri Oct 5, 7:56 am)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Fri Oct 5, 3:27 pm)

Re: SLUB performance regression vs SLAB, Jens Axboe, (Fri Oct 5, 8:37 am)

Re: SLUB performance regression vs SLAB, Pekka Enberg, (Fri Oct 5, 5:19 am)

Re: SLUB performance regression vs SLAB, Jens Axboe, (Fri Oct 5, 5:28 am)

Re: SLUB performance regression vs SLAB, Andi Kleen, (Fri Oct 5, 7:12 am)

Re: SLUB performance regression vs SLAB, Jens Axboe, (Fri Oct 5, 8:39 am)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Fri Oct 5, 3:31 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Fri Oct 5, 3:32 pm)

Re: SLUB performance regression vs SLAB, Matthew Wilcox, (Thu Oct 4, 5:05 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 10:43 pm)

Re: SLUB performance regression vs SLAB, Arjan van de Ven, (Thu Oct 4, 10:53 pm)

Re: SLUB performance regression vs SLAB, Christoph Lameter, (Thu Oct 4, 3:05 pm)

Re: SLUB performance regression vs SLAB, Siddha, Suresh B, (Thu Oct 4, 3:46 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Tue Oct 2, 4:43 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Mel Gorman, (Fri Sep 28, 5:05 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 5:10 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Fri Sep 28, 1:55 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Fri Sep 28, 2:20 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Sat Sep 29, 4:45 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 5:01 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Tue Oct 2, 4:37 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Fri Sep 28, 2:25 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 4:13 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Sat Sep 29, 4:47 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 5:00 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 4:55 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Mon Oct 1, 5:30 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Tue Oct 2, 5:19 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 5:38 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Mon Oct 1, 5:45 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Mon Oct 1, 5:52 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Sat Sep 29, 4:53 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 5:01 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Peter Zijlstra, (Sat Sep 29, 5:14 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 5:27 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Fri Sep 28, 4:19 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sat Sep 29, 3:20 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Sat Sep 29, 3:09 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Andrew Morton, (Sun Sep 30, 4:12 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Sun Sep 30, 12:16 am)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Mel Gorman, (Fri Sep 28, 4:59 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Christoph Lameter, (Fri Sep 28, 2:41 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Nick Piggin, (Fri Sep 28, 4:22 pm)

Re: [15/17] SLUB: Support virtual fallback via SLAB_VFALLBACK, Mel Gorman, (Fri Sep 28, 5:14 pm)

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