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Re: [RFC][0/3] Virtual address space control for cgroups

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From: Paul Menage <menage@...>
To: Balbir Singh <balbir@...>
Cc: <linux-mm@...>, Hugh Dickins <hugh@...>, Sudhir Kumar <skumar@...>, YAMAMOTO Takashi <yamamoto@...>, <lizf@...>, <linux-kernel@...>, <taka@...>, David Rientjes <rientjes@...>, Pavel Emelianov <xemul@...>, Andrew Morton <akpm@...>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...>
Subject: Re: [RFC][0/3] Virtual address space control for cgroups
Date: Sunday, March 16, 2008 - 7:26 pm

On Mon, Mar 17, 2008 at 1:29 AM, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:

What's the performance hit of doing these accounting checks on every
mmap/munmap? If it's not totally lost in the noise, couldn't it be
made a separate control group, so that it could be just enabled (and
the performance hit taken) for users that actually want it?

Paul
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Messages in current thread:
[RFC][0/3] Virtual address space control for cgroups, Balbir Singh, (Sun Mar 16, 1:29 pm)
Re: [RFC][0/3] Virtual address space control for cgroups, Paul Menage, (Sun Mar 16, 7:26 pm)
Re: [RFC][0/3] Virtual address space control for cgroups, Balbir Singh, (Sun Mar 16, 9:50 pm)
Re: [RFC][0/3] Virtual address space control for cgroups, Paul Menage, (Sun Mar 16, 9:55 pm)
Re: [RFC][0/3] Virtual address space control for cgroups, Balbir Singh, (Sun Mar 16, 11:12 pm)
Re: [RFC][0/3] Virtual address space control for cgroups, Li Zefan, (Sun Mar 16, 9:47 pm)
Re: [RFC][0/3] Virtual address space control for cgroups, Paul Menage, (Sun Mar 16, 9:57 pm)
Re: [RFC][0/3] Virtual address space control for cgroups, Balbir Singh, (Mon Mar 17, 1:08 am)
Re: [RFC][0/3] Virtual address space control for cgroups, Paul Menage, (Mon Mar 17, 1:22 am)
Re: [RFC][0/3] Virtual address space control for cgroups, Balbir Singh, (Mon Mar 17, 11:15 am)
[RFC][3/3] Update documentation for virtual address space co..., Balbir Singh, (Sun Mar 16, 1:30 pm)
Re: [RFC][3/3] Update documentation for virtual address spac..., Randy Dunlap, (Sun Mar 16, 2:32 pm)
Re: [RFC][3/3] Update documentation for virtual address spac..., Balbir Singh, (Sun Mar 16, 9:33 pm)
[RFC][2/3] Account and control virtual address space allocat..., Balbir Singh, (Sun Mar 16, 1:30 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Paul Menage, (Sun Mar 16, 10:02 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Balbir Singh, (Sun Mar 16, 10:57 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Paul Menage, (Sun Mar 16, 11:03 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Pavel Emelyanov, (Mon Mar 17, 7:36 am)
Re: [RFC][2/3] Account and control virtual address space all..., Balbir Singh, (Mon Mar 17, 8:29 am)
Re: [RFC][2/3] Account and control virtual address space all..., Pavel Emelyanov, (Mon Mar 17, 8:40 am)
Re: [RFC][2/3] Account and control virtual address space all..., Balbir Singh, (Mon Mar 17, 8:51 am)
Re: [RFC][2/3] Account and control virtual address space all..., Pavel Emelyanov, (Mon Mar 17, 9:01 am)
Re: [RFC][2/3] Account and control virtual address space all..., Balbir Singh, (Mon Mar 17, 10:39 am)
Re: [RFC][2/3] Account and control virtual address space all..., YAMAMOTO Takashi, (Mon Mar 17, 7:35 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Balbir Singh, (Mon Mar 17, 9:10 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Dave Hansen, (Mon Mar 17, 12:53 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Balbir Singh, (Mon Mar 17, 9:14 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Dave Hansen, (Tue Mar 18, 1:11 pm)
Re: [RFC][2/3] Account and control virtual address space all..., Balbir Singh, (Tue Mar 18, 1:58 pm)
[RFC][1/3] Add user interface for virtual address space cont..., Balbir Singh, (Sun Mar 16, 1:29 pm)