Re: Netlink MTU

From: Guus Sliepen (guus@warande3094.warande.uu.nl)
Date: Wed Jun 21 2000 - 06:56:22 EST


On Wed, 21 Jun 2000, Andi Kleen wrote:

> First the define is outdated. It could be PAGE_SIZE-sizeof(atomic_t) now --
> sk_buff header is stored separately now. The problem is that allocations
> > PAGE_SIZE tend to be unreliable when the system runs longer and the
> memory is fragmented. Upto 8K is probably safe, for bigger values it is up
> to your testing (some people run with 32K nfs blocks, but that is probably
> not a good idea).

Ah, ofcourse. (*bonk* self) Well I think that's a risk those who want high
MTUs just have to take :). I'll look if I can alter af_netlink.c in a
safe way... But still, are there some functions out there that rely on
netlink using only one page for it's sk?

Met vriendelijke groet,
Guus Sliepen.

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