From: Valerie Henson <val_henson@linux.intel.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Ulrich Drepper <drepper@redhat.com>,
Blaisorblade <blaisorblade@yahoo.it>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org,
Linux Memory Management <linux-mm@kvack.org>
Subject: Re: [patch 00/14] remap_file_pages protection support
Date: Tue, 16 May 2006 09:33:39 -0700 [thread overview]
Message-ID: <20060516163339.GL9612@goober> (raw)
In-Reply-To: <4469D3F8.8020305@yahoo.com.au>
On Tue, May 16, 2006 at 11:30:32PM +1000, Nick Piggin wrote:
>
> Hi Val,
>
> Thanks, I've tried with your most recent ebizzy and with 256 threads and
> 50,000 vmas (which gives really poor mmap_cache hits), I'm still unable
> to get find_vma above a few % of kernel time.
How excellent! Sometimes negative results are worth publishing. :)
-VAL
WARNING: multiple messages have this Message-ID (diff)
From: Valerie Henson <val_henson@linux.intel.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Ulrich Drepper <drepper@redhat.com>,
Blaisorblade <blaisorblade@yahoo.it>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org,
Linux Memory Management <linux-mm@kvack.org>
Subject: Re: [patch 00/14] remap_file_pages protection support
Date: Tue, 16 May 2006 09:33:39 -0700 [thread overview]
Message-ID: <20060516163339.GL9612@goober> (raw)
In-Reply-To: <4469D3F8.8020305@yahoo.com.au>
On Tue, May 16, 2006 at 11:30:32PM +1000, Nick Piggin wrote:
>
> Hi Val,
>
> Thanks, I've tried with your most recent ebizzy and with 256 threads and
> 50,000 vmas (which gives really poor mmap_cache hits), I'm still unable
> to get find_vma above a few % of kernel time.
How excellent! Sometimes negative results are worth publishing. :)
-VAL
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next prev parent reply other threads:[~2006-05-16 16:35 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-30 17:29 [patch 00/14] remap_file_pages protection support blaisorblade
2006-04-30 17:29 ` [patch 01/14] Fix comment about remap_file_pages blaisorblade
2006-04-30 17:29 ` [patch 02/14] remap_file_pages protection support: add needed macros blaisorblade
2006-04-30 17:29 ` [patch 03/14] remap_file_pages protection support: handle MANYPROTS VMAs blaisorblade
2006-04-30 17:29 ` [patch 04/14] remap_file_pages protection support: disallow mprotect() on manyprots mappings blaisorblade
2006-04-30 17:29 ` [patch 05/14] remap_file_pages protection support: cleanup syscall checks blaisorblade
2006-04-30 17:29 ` [patch 06/14] remap_file_pages protection support: enhance syscall interface blaisorblade
2006-04-30 17:30 ` [patch 07/14] remap_file_pages protection support: support private vma for MAP_POPULATE blaisorblade
2006-04-30 17:30 ` [patch 08/14] remap_file_pages protection support: use FAULT_SIGSEGV for protection checking blaisorblade
2006-04-30 17:30 ` [patch 09/14] remap_file_pages protection support: fix race condition with concurrent faults on same address space blaisorblade
2006-04-30 17:30 ` [patch 10/14] remap_file_pages protection support: fix get_user_pages() on VM_MANYPROTS vmas blaisorblade
2006-04-30 17:30 ` [patch 11/14] remap_file_pages protection support: pte_present should not trigger on PTE_FILE PROTNONE ptes blaisorblade
2006-05-02 3:53 ` Nick Piggin
2006-05-02 3:53 ` Nick Piggin
2006-05-03 1:29 ` Blaisorblade
2006-05-03 1:29 ` Blaisorblade
2006-05-06 10:03 ` Nick Piggin
2006-05-06 10:03 ` Nick Piggin
2006-05-07 17:50 ` Blaisorblade
2006-05-07 17:50 ` Blaisorblade
2006-04-30 17:30 ` [patch 12/14] remap_file_pages protection support: also set VM_NONLINEAR on nonuniform VMAs blaisorblade
2006-04-30 17:30 ` [patch 13/14] remap_file_pages protection support: uml, i386, x64 bits blaisorblade
2006-04-30 17:30 ` [patch 14/14] remap_file_pages protection support: adapt to uml peculiarities blaisorblade
2006-05-02 3:45 ` [patch 00/14] remap_file_pages protection support Nick Piggin
2006-05-02 3:45 ` Nick Piggin
2006-05-02 3:56 ` Nick Piggin
2006-05-02 3:56 ` Nick Piggin
2006-05-02 11:24 ` Ingo Molnar
2006-05-02 11:24 ` Ingo Molnar
2006-05-02 12:19 ` Nick Piggin
2006-05-02 12:19 ` Nick Piggin
2006-05-02 17:16 ` Lee Schermerhorn
2006-05-02 17:16 ` Lee Schermerhorn
2006-05-03 1:20 ` Blaisorblade
2006-05-03 1:20 ` Blaisorblade
2006-05-03 14:35 ` Lee Schermerhorn
2006-05-03 14:35 ` Lee Schermerhorn
2006-05-03 0:25 ` Blaisorblade
2006-05-03 0:25 ` Blaisorblade
2006-05-06 16:05 ` Ulrich Drepper
2006-05-07 4:22 ` Nick Piggin
2006-05-07 4:22 ` Nick Piggin
2006-05-13 14:13 ` Nick Piggin
2006-05-13 18:19 ` Valerie Henson
2006-05-13 18:19 ` Valerie Henson
2006-05-13 22:54 ` Valerie Henson
2006-05-13 22:54 ` Valerie Henson
2006-05-16 13:30 ` Nick Piggin
2006-05-16 13:30 ` Nick Piggin
2006-05-16 13:51 ` Andreas Mohr
2006-05-16 13:51 ` Andreas Mohr
2006-05-16 16:31 ` Valerie Henson
2006-05-16 16:31 ` Valerie Henson
2006-05-16 16:47 ` Andreas Mohr
2006-05-16 16:47 ` Andreas Mohr
2006-05-17 3:25 ` Nick Piggin
2006-05-17 3:25 ` Nick Piggin
2006-05-17 6:10 ` Blaisorblade
2006-05-17 6:10 ` Blaisorblade
2006-05-16 16:33 ` Valerie Henson [this message]
2006-05-16 16:33 ` Valerie Henson
2006-05-03 0:44 ` Blaisorblade
2006-05-03 0:44 ` Blaisorblade
2006-05-06 9:06 ` Nick Piggin
2006-05-06 9:06 ` Nick Piggin
2006-05-06 15:26 ` Ulrich Drepper
2006-05-02 10:21 ` Arjan van de Ven
2006-05-02 23:46 ` Valerie Henson
2006-05-03 0:26 ` Blaisorblade
2006-05-03 1:44 ` Ulrich Drepper
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