Messages in this thread | | | Date | Tue, 13 Nov 2007 22:45:59 -0700 | From | Zan Lynx <> | Subject | Re: 2.6.24-rc2-mm1 |
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Andrew Morton wrote: [cut] > hm, that was supposed to shut itself off after 100 messages: > > if (unlikely(clone_flags & (CLONE_DETACHED|CLONE_STOPPED))) { > static int __read_mostly count = 100; > > if (count && printk_ratelimit()) { > char comm[TASK_COMM_LEN]; > > count--; > printk(KERN_INFO "fork(): process `%s' used deprecated " > "clone flags 0x%lx\n", > get_task_comm(comm, current), > clone_flags & (CLONE_DETACHED|CLONE_STOPPED)); > } > } > > I don't see how you got 151 instances. I guess I'm having another stupid > day.
It looks like a simple race, two threads do count-- before doing if(count), resulting in an almost infinite loop. Probably.
atomic_test_and_dec might work.
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