Re: frequent lockups in 3.18rc4

[Hillf Danton]

> 
> But me not seeing any other bug clearly doesn't mean it doesn't exist.
> 
Perhaps  we can easy the zap loop if it is busy.

thanks
Hillf

--- a/mm/memory.c	Tue Dec 16 10:38:03 2014
+++ b/mm/memory.c	Tue Dec 16 10:42:07 2014
@@ -1212,8 +1212,10 @@ again:
 		force_flush = 0;
 		tlb_flush_mmu_free(tlb);
 
-		if (addr != end)
+		if (addr != end) {
+			cond_resched();
 			goto again;
+		}
 	}
 
 	return addr;
--


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