From: Avi Kivity <avi@qumranet.com>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: linux-mm@kvack.org, Sudhir Kumar <skumar@linux.vnet.ibm.com>,
YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
Paul Menage <menage@google.com>,
lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org,
Pavel Emelianov <xemul@openvz.org>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [-mm][PATCH 1/4] Add memrlimit controller documentation (v4)
Date: Thu, 15 May 2008 21:22:40 +0300 [thread overview]
Message-ID: <482C7F70.2020102@qumranet.com> (raw)
In-Reply-To: <20080514130915.24440.56106.sendpatchset@localhost.localdomain>
Balbir Singh wrote:
> +
> +Advantages of providing this feature
> +
> +1. Control over virtual address space allows for a cgroup to fail gracefully
> + i.e., via a malloc or mmap failure as compared to OOM kill when no
> + pages can be reclaimed.
>
Do you mean by this, limiting the number of pagetable pages (that are
pinned in memory), this preventing oom by a cgroup that instantiates
many pagetables?
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@qumranet.com>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: linux-mm@kvack.org, Sudhir Kumar <skumar@linux.vnet.ibm.com>,
YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
Paul Menage <menage@google.com>,
lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org,
Pavel Emelianov <xemul@openvz.org>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [-mm][PATCH 1/4] Add memrlimit controller documentation (v4)
Date: Thu, 15 May 2008 21:22:40 +0300 [thread overview]
Message-ID: <482C7F70.2020102@qumranet.com> (raw)
In-Reply-To: <20080514130915.24440.56106.sendpatchset@localhost.localdomain>
Balbir Singh wrote:
> +
> +Advantages of providing this feature
> +
> +1. Control over virtual address space allows for a cgroup to fail gracefully
> + i.e., via a malloc or mmap failure as compared to OOM kill when no
> + pages can be reclaimed.
>
Do you mean by this, limiting the number of pagetable pages (that are
pinned in memory), this preventing oom by a cgroup that instantiates
many pagetables?
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
--
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Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2008-05-15 18:22 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-14 13:09 [-mm][PATCH 0/4] Add memrlimit controller (v4) Balbir Singh
2008-05-14 13:09 ` Balbir Singh
2008-05-14 13:09 ` [-mm][PATCH 1/4] Add memrlimit controller documentation (v4) Balbir Singh
2008-05-14 13:09 ` Balbir Singh
2008-05-15 1:20 ` Li Zefan
2008-05-15 1:20 ` Li Zefan
2008-05-15 18:22 ` Avi Kivity [this message]
2008-05-15 18:22 ` Avi Kivity
2008-05-15 18:39 ` Balbir Singh
2008-05-15 18:39 ` Balbir Singh
2008-05-14 13:09 ` [-mm][PATCH 2/4] Setup the memrlimit controller (v4) Balbir Singh
2008-05-14 13:09 ` Balbir Singh
2008-05-14 13:29 ` Pavel Emelyanov
2008-05-14 13:29 ` Pavel Emelyanov
2008-05-14 13:09 ` [-mm][PATCH 3/4] cgroup mm owner callback changes to add task info (v4) Balbir Singh
2008-05-14 13:09 ` Balbir Singh
2008-05-14 13:09 ` [-mm][PATCH 4/4] Add memrlimit controller accounting and control (v4) Balbir Singh
2008-05-14 13:09 ` Balbir Singh
2008-05-14 13:25 ` Balbir Singh
2008-05-14 13:25 ` Balbir Singh
2008-05-15 2:25 ` Paul Menage
2008-05-15 2:25 ` Paul Menage
2008-05-15 6:17 ` Balbir Singh
2008-05-15 6:17 ` Balbir Singh
2008-05-15 6:55 ` Paul Menage
2008-05-15 6:55 ` Paul Menage
2008-05-15 7:03 ` Balbir Singh
2008-05-15 7:03 ` Balbir Singh
2008-05-15 7:39 ` Paul Menage
2008-05-15 7:39 ` Paul Menage
2008-05-15 8:25 ` Balbir Singh
2008-05-15 8:25 ` Balbir Singh
2008-05-15 15:28 ` Paul Menage
2008-05-15 15:28 ` Paul Menage
2008-05-15 17:01 ` Balbir Singh
2008-05-15 17:01 ` Balbir Singh
2008-05-17 20:15 ` Balbir Singh
2008-05-17 20:15 ` Balbir Singh
2008-05-17 20:17 ` Balbir Singh
2008-05-17 20:17 ` Balbir Singh
2008-05-14 13:32 ` Pavel Emelyanov
2008-05-14 13:32 ` Pavel Emelyanov
2008-05-14 19:39 ` Balbir Singh
2008-05-14 19:39 ` Balbir Singh
2008-09-18 20:54 ` Andrew Morton
2008-09-18 20:54 ` Andrew Morton
2008-09-18 23:55 ` Balbir Singh
2008-09-18 23:55 ` Balbir Singh
2008-09-19 6:38 ` Balbir Singh
2008-09-19 6:38 ` Balbir Singh
2008-09-19 20:14 ` Andrew Morton
2008-09-19 20:14 ` Andrew Morton
2008-09-19 21:28 ` Balbir Singh
2008-09-19 21:28 ` Balbir Singh
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