From: Paul Menage <paul@paulmenage.org>
To: Glauber Costa <glommer@parallels.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
containers@lists.osdl.org, netdev@vger.kernel.org,
xemul@parallels.com, "David S. Miller" <davem@davemloft.net>,
Hiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com>,
"Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: [PATCH v2 3/9] socket: initial cgroup code.
Date: Tue, 6 Sep 2011 22:26:13 -0700 [thread overview]
Message-ID: <CALdu-PCeZLnF-3zx=NU6paC41Hp+_VTN-mTt6RvXbCu7Kdk-mQ@mail.gmail.com> (raw)
In-Reply-To: <1315369399-3073-4-git-send-email-glommer@parallels.com>
On Tue, Sep 6, 2011 at 9:23 PM, Glauber Costa <glommer@parallels.com> wrote:
> We aim to control the amount of kernel memory pinned at any
> time by tcp sockets. To lay the foundations for this work,
> this patch adds a pointer to the kmem_cgroup to the socket
> structure.
>
> Signed-off-by: Glauber Costa <glommer@parallels.com>
> CC: David S. Miller <davem@davemloft.net>
> CC: Hiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com>
> CC: Eric W. Biederman <ebiederm@xmission.com>
> ---
> include/linux/kmem_cgroup.h | 29 +++++++++++++++++++++++++++++
> include/net/sock.h | 2 ++
> net/core/sock.c | 5 ++---
> 3 files changed, 33 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/kmem_cgroup.h b/include/linux/kmem_cgroup.h
> index 0e4a74b..77076d8 100644
> --- a/include/linux/kmem_cgroup.h
> +++ b/include/linux/kmem_cgroup.h
> @@ -49,5 +49,34 @@ static inline struct kmem_cgroup *kcg_from_task(struct task_struct *tsk)
> return NULL;
> }
> #endif /* CONFIG_CGROUP_KMEM */
> +
> +#ifdef CONFIG_INET
> +#include <net/sock.h>
> +static inline void sock_update_kmem_cgrp(struct sock *sk)
> +{
> +#ifdef CONFIG_CGROUP_KMEM
> + sk->sk_cgrp = kcg_from_task(current);
BUG_ON(sk->sk_cgrp) ? Or else release the old cgroup if necessary.
> @@ -339,6 +340,7 @@ struct sock {
> #endif
> __u32 sk_mark;
> u32 sk_classid;
> + struct kmem_cgroup *sk_cgrp;
Should this be protected by a #ifdef?
Paul
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next prev parent reply other threads:[~2011-09-07 5:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-07 4:23 [PATCH v2 0/9] per-cgroup tcp buffers limitation Glauber Costa
2011-09-07 4:23 ` [PATCH v2 1/9] per-netns ipv4 sysctl_tcp_mem Glauber Costa
2011-09-09 2:47 ` KAMEZAWA Hiroyuki
2011-09-09 4:19 ` Glauber Costa
2011-09-07 4:23 ` [PATCH v2 2/9] Kernel Memory cgroup Glauber Costa
2011-09-07 5:24 ` Paul Menage
2011-09-07 5:55 ` Glauber Costa
2011-09-07 4:23 ` [PATCH v2 3/9] socket: initial cgroup code Glauber Costa
2011-09-07 5:26 ` Paul Menage [this message]
2011-09-07 5:59 ` Glauber Costa
2011-09-07 22:17 ` Kirill A. Shutemov
2011-09-08 4:54 ` Glauber Costa
2011-09-08 5:35 ` Kirill A. Shutemov
2011-09-08 12:41 ` Glauber Costa
2011-09-07 4:23 ` [PATCH v2 4/9] function wrappers for upcoming socket Glauber Costa
2011-09-07 4:23 ` [PATCH v2 5/9] foundations of per-cgroup memory pressure controlling Glauber Costa
2011-09-07 4:23 ` [PATCH v2 6/9] per-cgroup tcp buffers control Glauber Costa
2011-09-07 7:32 ` Li Zefan
2011-09-07 13:02 ` Glauber Costa
2011-09-09 3:12 ` KAMEZAWA Hiroyuki
2011-09-09 12:01 ` Glauber Costa
2011-09-12 10:31 ` KAMEZAWA Hiroyuki
2011-09-07 4:23 ` [PATCH v2 7/9] tcp buffer limitation: per-cgroup limit Glauber Costa
2011-09-07 4:23 ` [PATCH v2 8/9] Display current tcp memory allocation in kmem cgroup Glauber Costa
2011-09-07 4:23 ` [PATCH v2 9/9] Add documentation about kmem_cgroup Glauber Costa
2011-09-08 17:46 ` Randy Dunlap
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