(7/25/13 6:25 PM), Johannes Weiner wrote: > The x86 fault handler bails in the middle of error handling when the > task has a fatal signal pending. For a subsequent patch this is a > problem in OOM situations because it relies on > pagefault_out_of_memory() being called even when the task has been > killed, to perform proper per-task OOM state unwinding. > > Shortcutting the fault like this is a rather minor optimization that > saves a few instructions in rare cases. Just remove it for > user-triggered faults. > > Use the opportunity to split the fault retry handling from actual > fault errors and add locking documentation that reads suprisingly > similar to ARM's. > > Signed-off-by: Johannes Weiner <han...@cmpxchg.org>
Acked-by: KOSAKI Motohiro <kosaki.motoh...@jp.fujitsu.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
