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    SubjectRe: 2.5.70-mm1 Strangeness
    On Thu, 29 May 2003 17:51:35 -0700
    Andrew Morton <akpm@digeo.com> wrote:

    > "David S. Miller" <davem@redhat.com> wrote:
    > >
    > > From: Andrew Morton <akpm@digeo.com>
    > > Date: Thu, 29 May 2003 13:55:41 -0700
    > >
    > > The ip_dst_cache seems unreasonably large. Unless your desktop is a
    > > backbone router or something.
    > >
    > > Lots of DST entries can result on any machine actually. We create one
    > > per source address, not just per destination address. So if you talk
    > > to a lot of sites, or lots of sites talk to you, you'll get a lot of
    > > DST entries.
    > >
    > > Regardless, 80MB _IS_ excessive. That's nearly 400,000 entries.
    > > It definitely indicates there is a leak somewhere.
    > >
    > > Although it say:
    > >
    > > ip_dst_cache 19470 19470 4096 1 1
    > >
    > > Which is 19470 active objects right?
    >
    > Yes, 19470 entries. But note that each entry is 4096 bytes.
    >
    > Something seems to have gone and bumped the object size from 240 bytes up
    > to 4096. This is actually what I want CONFIG_DEBUG_PAGEALLOC to do, but I
    > don't think it does it yet.
    >
    > Bongani, if you have CONFIG_DEBUG_PAGEALLOC enabled then please try turning
    > it off. And maybe Manfred can throw some light on what slab has done
    > there.

    Cool, I'll let you know how it goes. I'll also try davem,s suggestion about
    /proc/sys/net/ipv4/route/max_size
    [unhandled content-type:application/pgp-signature]
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