From: Eric Dumazet <eric.dumazet@gmail.com>
To: Kumar S <ps2kumar@yahoo.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: Memory leak in ip_dst_cache
Date: Fri, 09 Sep 2011 23:47:00 +0200 [thread overview]
Message-ID: <1315604820.2606.13.camel@edumazet-laptop> (raw)
In-Reply-To: <1315601283.91185.YahooMailNeo@web113908.mail.gq1.yahoo.com>
Le vendredi 09 septembre 2011 à 13:48 -0700, Kumar S a écrit :
> Hi Eric,
> I did not flush those routes explicitly. They are flushed out
> automatically by calling "rt_run_flush". It inturn calls rt_free(),
> but __cache_free() never gets called after that. Basically, I have 512
> MBytes of memory on board. I want to restrict the cache to around 64k,
> with max_size. But if I do that due to this leak, TCP/IP communication
> stops working when it reaches 64k.
>
Your dsts use about 3Mb of memory out of 512Mb. Its certainly not the
reason of the failures you have.
Its not a leak.
All "in use" dst are queued in dst_gc, check net/core/dst.c for details.
next prev parent reply other threads:[~2011-09-09 21:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-09 5:04 Memory leak in ip_dst_cache Kumar S
2011-09-09 5:30 ` Eric Dumazet
[not found] ` <1315593553.98279.YahooMailNeo@web113904.mail.gq1.yahoo.com>
[not found] ` <1315596786.2606.3.camel@edumazet-laptop>
2011-09-09 20:48 ` Kumar S
2011-09-09 21:47 ` Eric Dumazet [this message]
[not found] ` <1315605497.25052.YahooMailNeo@web113916.mail.gq1.yahoo.com>
2011-09-09 22:08 ` Eric Dumazet
2011-09-09 22:53 ` Kumar S
2011-09-10 13:04 ` Neil Horman
2011-09-12 3:38 ` Kumar S
2011-09-12 5:40 ` Eric Dumazet
2011-09-12 6:07 ` Kumar S
2011-09-12 6:28 ` Eric Dumazet
2011-09-12 17:16 ` Kumar S
2011-09-12 17:57 ` Eric Dumazet
2011-09-12 22:20 ` Kumar S
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