From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Satoshi OSHIMA <satoshi.oshima.fk@hitachi.com>
Cc: Andi Kleen <andi@firstfloor.org>,
David Miller <davem@davemloft.net>,
Evgeniy Polyakov <johnpol@2ka.mipt.ru>,
Herbert Xu <herbert@gondor.apana.org.au>,
netdev <netdev@vger.kernel.org>, ?? ?? <yoshfuji@linux-ipv6.org>,
Yumiko SUGITA <yumiko.sugita.yf@hitachi.com>,
"??@RedHat" <haoki@redhat.com>
Subject: Re: [RFC/PATCH 4/4] UDP memory usage accounting (take 4): memory limitation
Date: Fri, 5 Oct 2007 08:52:57 -0700 [thread overview]
Message-ID: <20071005085257.24b2e5cc@freepuppy.rosehill> (raw)
In-Reply-To: <47065217.5050004@hitachi.com>
On Sat, 06 Oct 2007 00:02:47 +0900
Satoshi OSHIMA <satoshi.oshima.fk@hitachi.com> wrote:
> This patch introduces memory limitation for UDP.
>
>
> signed-off-by: Satoshi Oshima <satoshi.oshima.fk@hitachi.com>
> signed-off-by: Hideo Aoki <haoki@redhat.com>
> Index: 2.6.23-rc9-udp_limit/net/ipv4/sysctl_net_ipv4.c
> ===================================================================
> --- 2.6.23-rc9-udp_limit.orig/net/ipv4/sysctl_net_ipv4.c
> +++ 2.6.23-rc9-udp_limit/net/ipv4/sysctl_net_ipv4.c
> @@ -17,6 +17,7 @@
> #include <net/ip.h>
> #include <net/route.h>
> #include <net/tcp.h>
> +#include <net/udp.h>
> #include <net/cipso_ipv4.h>
>
> /* From af_inet.c */
> @@ -599,6 +600,14 @@ ctl_table ipv4_table[] = {
> .proc_handler = &proc_dointvec
> },
> {
> + .ctl_name = NET_UDP_MEM,
> + .procname = "udp_mem",
> + .data = &sysctl_udp_mem,
> + .maxlen = sizeof(sysctl_udp_mem),
> + .mode = 0644,
> + .proc_handler = &proc_dointvec
> + },
> + {
> .ctl_name = NET_TCP_APP_WIN,
> .procname = "tcp_app_win",
> .data = &sysctl_tcp_app_win,
if you use &proc_dointvec_minmax, then you could inforce min/max
values for udp_mem for the sysctl
--
Stephen Hemminger <shemminger@linux-foundation.org>
next prev parent reply other threads:[~2007-10-05 15:54 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-05 14:59 [RFC/PATCH 0/4]UDP memory accounting (take 4) Satoshi OSHIMA
2007-10-05 15:00 ` [RFC/PATCH 1/4] UDP memory usage accounting (take 4): fix send buffer check Satoshi OSHIMA
2007-10-05 15:01 ` [RFC/PATCH 2/4] UDP memory usage accounting (take 4): accounting unit and variable Satoshi OSHIMA
2007-10-07 10:09 ` Evgeniy Polyakov
2007-10-10 8:14 ` Satoshi OSHIMA
2007-10-05 15:02 ` [RFC/PATCH 3/4] UDP memory usage accounting (take 4): memory usage accounting Satoshi OSHIMA
2007-10-05 15:02 ` [RFC/PATCH 4/4] UDP memory usage accounting (take 4): memory limitation Satoshi OSHIMA
2007-10-05 15:52 ` Stephen Hemminger [this message]
2007-10-11 12:51 ` Satoshi OSHIMA
2007-10-11 19:46 ` Stephen Hemminger
2007-10-12 11:58 ` Satoshi OSHIMA
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