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On Sat, 6 Nov 2004, Andrea Arcangeli wrote: >> btw, PF_MEMDIE has always been racy in the way it's being set, so it can >> corrupt the p->flags, but the race window is very small to trigger it >> (and even if it triggers, it probably wouldn't be fatal). That's why I >> don't use PF_MEMDIE in 2.4-aa. On Sat, Nov 06, 2004 at 04:21:33PM +0000, Hugh Dickins wrote: > I expect so, yes, the PF_ flags don't have proper locking. Those > places which set or clear PF_MEMALLOC are more likely to hit races, > but last time I went there I don't think there was a real serious problem. I posted a testcase that triggers a panic with the PF_MEMALLOC race. -- wli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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