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From: Ingo Molnar <mingo@elte.hu>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	LKML <linux-kernel@vger.kernel.org>,
	x86@kernel.org, Andi Kleen <andi@firstfloor.org>,
	Jens Axboe <jens.axboe@oracle.com>
Subject: Re: [PATCH 0 of 9] x86/smp function calls: convert x86 tlb flushes to use function calls [POST 2]
Date: Tue, 19 Aug 2008 12:20:45 +0200	[thread overview]
Message-ID: <20080819102045.GC6722@elte.hu> (raw)
In-Reply-To: <200808191956.59898.nickpiggin@yahoo.com.au>


* Nick Piggin <nickpiggin@yahoo.com.au> wrote:

> I'm especially sore about mmap because I have a customer with a 
> database that uses a lot of mmap/munmap and those calls have slowed 
> down something like 50%(!!) from 2.6.early to 2.6.late.

oh, agreed that it all needs to speed up - please send testcases ...

	Ingo

  reply	other threads:[~2008-08-19 10:21 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-18 18:23 [PATCH 0 of 9] x86/smp function calls: convert x86 tlb flushes to use function calls [POST 2] Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 1 of 9] x86: put tlb_flush_others() stats in debugfs Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 2 of 9] x86-32: use smp_call_function_mask for SMP TLB invalidations Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 3 of 9] x86-64: " Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 4 of 9] x86: make tlb_32|64 closer Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 5 of 9] x86: unify tlb.c Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 6 of 9] smp_function_call: add multiple queues for scalability Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 7 of 9] x86: add multiple smp_call_function queues Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 8 of 9] x86: make number of smp_call_function queues truely configurable Jeremy Fitzhardinge
2008-08-18 18:23 ` [PATCH 9 of 9] smp function calls: add kernel parameter to disable multiple queues Jeremy Fitzhardinge
2008-08-19  0:45 ` [PATCH 0 of 9] x86/smp function calls: convert x86 tlb flushes to use function calls [POST 2] Ingo Molnar
2008-08-19  1:28   ` Ingo Molnar
2008-08-19  6:18     ` Jeremy Fitzhardinge
2008-08-19  9:27       ` Ingo Molnar
2008-08-19 14:58         ` Jeremy Fitzhardinge
2008-08-19  9:45       ` Peter Zijlstra
2008-08-19 14:58         ` Jeremy Fitzhardinge
2008-08-19  5:37   ` Jeremy Fitzhardinge
2008-08-19  9:31     ` Ingo Molnar
2008-08-19  9:56       ` Nick Piggin
2008-08-19 10:20         ` Ingo Molnar [this message]
2008-08-19 11:08           ` Nick Piggin
2008-08-19 11:44             ` Ingo Molnar
2008-08-19 10:24         ` Ingo Molnar
2008-08-19 10:49           ` Nick Piggin
2008-08-19 10:31         ` Andi Kleen
2008-08-19 11:04           ` Nick Piggin
2008-08-19 11:20             ` Andi Kleen
2008-08-19  7:32   ` Andi Kleen
2008-08-19  7:44     ` Jeremy Fitzhardinge
2008-08-19  7:48       ` Andi Kleen
2008-08-19  8:04         ` Jeremy Fitzhardinge

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