From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: starlight@binnacle.cx, akpm@linux-foundation.org,
linux-mm@kvack.org, netdev@vger.kernel.org,
bugme-daemon@bugzilla.kernel.org, aquini@linux.com
Subject: Re: [Bugme-new] [Bug 38032] New: default values of /proc/sys/net/ipv4/udp_mem does not consider huge page allocation
Date: Thu, 07 Jul 2011 00:27:17 -0700 (PDT) [thread overview]
Message-ID: <20110707.002717.1495810845761908702.davem@davemloft.net> (raw)
In-Reply-To: <1310013490.2481.35.camel@edumazet-laptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 07 Jul 2011 06:38:10 +0200
> [PATCH] net: refine {udp|tcp|sctp}_mem limits
>
> Current tcp/udp/sctp global memory limits are not taking into account
> hugepages allocations, and allow 50% of ram to be used by buffers of a
> single protocol [ not counting space used by sockets / inodes ...]
>
> Lets use nr_free_buffer_pages() and allow a default of 1/8 of kernel ram
> per protocol, and a minimum of 128 pages.
> Heavy duty machines sysadmins probably need to tweak limits anyway.
>
>
> References: https://bugzilla.stlinux.com/show_bug.cgi?id=38032
> Reported-by: starlight <starlight@binnacle.cx>
> Suggested-by: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied.
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prev parent reply other threads:[~2011-07-07 7:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-38032-10286@https.bugzilla.kernel.org/>
2011-07-06 23:03 ` [Bugme-new] [Bug 38032] New: default values of /proc/sys/net/ipv4/udp_mem does not consider huge page allocatio Andrew Morton
2011-07-07 1:31 ` [Bugme-new] [Bug 38032] New: default values of /proc/sys/net/ipv4/udp_mem does not consider huge page allocation starlight
2011-07-07 3:59 ` Eric Dumazet
2011-07-07 4:38 ` Eric Dumazet
2011-07-07 7:27 ` David Miller [this message]
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