From: Jacques Gelinas (jack_at_solucorp.qc.ca)
Date: Thu 20 Mar 2003 - 22:13:24 GMT
On Mon, 17 Mar 2003 22:43:00 -0500, Jonathan Sambrook wrote
> sched-oopsfix-safer.patch also replaces the semaphore with a spinlock,
> but adds some protection against the (remote) possibility of
> ip_info->refcount getting out of kilter (munged) in multi-threaded
> applications. N.b. Jacques didn't think this was possible, but I've
> printk'd refcount and seen it get above 5400 - before sched.c BUG oopsed
refcount should go as high as the number of process and sockets
sharing the ip_info. There should not be that many ip_info object
around though, but many users.
---------------------------------------------------------
Jacques Gelinas <jack_at_solucorp.qc.ca>
vserver: run general purpose virtual servers on one box, full speed!
http://www.solucorp.qc.ca/miscprj/s_context.hc