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Home » Mailing list archives » linux-kernel » 2008 » May » 5

Re: [-mm][PATCH 3/4] Add rlimit controller accounting and control

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From: Andrew Morton <akpm@...>
To: Balbir Singh <balbir@...>
Cc: <linux-mm@...>, <skumar@...>, <yamamoto@...>, <menage@...>, <lizf@...>, <linux-kernel@...>, <rientjes@...>, <xemul@...>, <balbir@...>, <kamezawa.hiroyu@...>
Subject: Re: [-mm][PATCH 3/4] Add rlimit controller accounting and control
Date: Monday, May 5, 2008 - 6:24 pm

On Sun, 04 May 2008 03:08:14 +0530
Balbir Singh <balbir@linux.vnet.ibm.com> wrote:


I worry a bit about all the conversion between page-counts and byte-counts
in this code.

For example, what happens if a process sits there increasing its rss with
sbrk(4095) or sbrk(4097) or all sorts of other scenarios?  Do we get in a
situation in which the accounting is systematically wrong?

Worse, do we risk getting into that situation in the future, as unrelated
changes are made to the surrounding code?

IOW, have we chosen the best, most maintainable representation for these
things?

--
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Messages in current thread:
[-mm][PATCH 0/4] Add rlimit controller to cgroups (v3), Balbir Singh, (Sat May 3, 5:37 pm)
Re: [-mm][PATCH 0/4] Add rlimit controller to cgroups (v3), , (Sun May 4, 11:24 am)
Re: [-mm][PATCH 0/4] Add rlimit controller to cgroups (v3), Balbir Singh, (Mon May 5, 12:21 am)
Re: [-mm][PATCH 0/4] Add rlimit controller to cgroups (v3), KAMEZAWA Hiroyuki, (Tue May 6, 9:09 pm)
Re: Re: [-mm][PATCH 0/4] Add rlimit controller to cgroups (v3), , (Sun May 4, 11:27 am)
Re: [-mm][PATCH 0/4] Add rlimit controller to cgroups (v3), Balbir Singh, (Mon May 5, 12:24 am)
[-mm][PATCH 4/4] Add rlimit controller documentation, Balbir Singh, (Sat May 3, 5:38 pm)
Re: [-mm][PATCH 4/4] Add rlimit controller documentation, Andrew Morton, (Mon May 5, 6:35 pm)
Re: [-mm][PATCH 4/4] Add rlimit controller documentation, Balbir Singh, (Tue May 6, 1:39 am)
Re: [-mm][PATCH 4/4] Add rlimit controller documentation, Andrew Morton, (Tue May 6, 1:54 am)
Re: [-mm][PATCH 4/4] Add rlimit controller documentation, Balbir Singh, (Tue May 6, 3:59 am)
[-mm][PATCH 3/4] Add rlimit controller accounting and control, Balbir Singh, (Sat May 3, 5:38 pm)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Paul Menage, (Tue May 6, 11:29 pm)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Balbir Singh, (Thu May 8, 10:35 am)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Paul Menage, (Thu May 8, 5:45 pm)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Balbir Singh, (Fri May 9, 9:35 am)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Paul Menage, (Tue May 6, 11:17 pm)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Balbir Singh, (Thu May 8, 10:54 am)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Paul Menage, (Thu May 8, 7:22 pm)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Pavel Emelyanov, (Wed May 7, 1:59 am)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Andrew Morton, (Mon May 5, 6:24 pm)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., Balbir Singh, (Tue May 6, 1:34 am)
Re: [-mm][PATCH 3/4] Add rlimit controller accounting and co..., David Rientjes, (Mon May 5, 6:32 pm)
[-mm][PATCH 2/4] Enhance cgroup mm_owner_changed callback to..., Balbir Singh, (Sat May 3, 5:38 pm)
Re: [-mm][PATCH 2/4] Enhance cgroup mm_owner_changed callbac..., Paul Menage, (Mon May 5, 7:00 pm)
Re: [-mm][PATCH 2/4] Enhance cgroup mm_owner_changed callbac..., Andrew Morton, (Mon May 5, 6:15 pm)
Re: [-mm][PATCH 2/4] Enhance cgroup mm_owner_changed callbac..., Balbir Singh, (Mon May 5, 11:43 pm)
[-mm][PATCH 1/4] Setup the rlimit controller, Balbir Singh, (Sat May 3, 5:37 pm)
Re: [-mm][PATCH 1/4] Setup the rlimit controller, Li Zefan, (Mon May 5, 9:31 pm)
Re: [-mm][PATCH 1/4] Setup the rlimit controller, Balbir Singh, (Tue May 6, 4:15 am)
Re: [-mm][PATCH 1/4] Setup the rlimit controller, Andrew Morton, (Mon May 5, 6:11 pm)
Re: [-mm][PATCH 1/4] Setup the rlimit controller, Balbir Singh, (Mon May 5, 11:40 pm)

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