On Tue, Jan 25, 2005 at 07:32:07PM +0000, Russell King wrote:
> On Mon, Jan 24, 2005 at 11:48:53AM +0000, Russell King wrote:
> > On Sun, Jan 23, 2005 at 08:03:15PM +0000, Russell King wrote:
> > > I think I may be seeing something odd here, maybe a possible memory leak.
> > > The only problem I have is wondering whether I'm actually comparing like
> > > with like. Maybe some networking people can provide a hint?
> > >
> > > Below is gathered from 2.6.11-rc1.
> > >
> > > bash-2.05a# cat /proc/net/rt_cache | wc -l; grep ip_dst /proc/slabinfo
> > > 24
> > > ip_dst_cache 669 885 256 15 1
> > >
> > > I'm fairly positive when I rebooted the machine a couple of days ago,
> > > ip_dst_cache was significantly smaller for the same number of lines in
> > > /proc/net/rt_cache.
> > FYI, today it looks like this:
> > bash-2.05a# cat /proc/net/rt_cache | wc -l; grep ip_dst /proc/slabinfo
> > 26
> > ip_dst_cache 820 1065 256 15 1
> > So the dst cache seems to have grown by 151 in 16 hours... I'll continue
> > monitoring and providing updates.
> Tonights update:
> ip_dst_cache 1024 1245 256 15 1
> As you can see, the dst cache is consistently growing by about 200
> entries per day. Given this, I predict that the box will fall over
> due to "dst cache overflow" in roughly 35 days.
This mornings magic numbers are:
ip_dst_cache 1292 1485 256 15 1
Is no one interested in the fact that the DST cache is leaking and
eventually takes out machines? I've had virtually zero interest in
this problem so far.
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core