Re: 2.6.12-rc2: >100% memory usage

[Nick Piggin <nickpiggin@yahoo.com.au>]

On Thu, 2005-04-14 at 22:20 -0700, Randy.Dunlap wrote:
> On Fri, 15 Apr 2005 14:59:05 +1000 Nick Piggin wrote:
> 
> | On Fri, 2005-04-15 at 12:48 +0800, Michael Deegan wrote:
> | > Hi folks,
> | > 
> | > I noticed something unusual on my home desktop machine (K6II, 448M RAM, runs
> | > KDE, samba, nfsd. 2.6.12-rc2 on Debian sarge). The machine seems to feel
> | > slightly sluggish; it seems to swap a fair bit more than it did under
> | > 2.6.11, but at the same time it's not actually using more swap that it used
> | > to. The large numbers are slowly growing larger too. The biggest spamd was
> | > only 156% of memory yesterday. Normally it's only my xserver (and
> | > occasionally konqueror) that manages to grab more than 10% of memory...
> | 
> | FWIW, me too :P
> | 
> | I think there is a memory leak in recent 2.6.12 kernels.
> | At least on my desktop there is (although it has some of
> | my own patches and I've been too lazy to do more work on
> | it so I haven't reported it).
> | 
> | It seems to be leaking `size-4096` slabs somewhere.
> 
> This one or yet another one?
> http://marc.theaimsgroup.com/?l=linux-kernel&m=111264601928365&w=2
> 
> 

No, another one. Much faster. A few kernel compiles and I have
to reboot (only 256MB RAM, though).

But as I said, not quite a vanilla kernel. I'll have to get
motivated and compile a plain one and try to work it out. I
was hoping someone else would do it ;)