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mm: avoid unnecessary page fault retires on shared memory types
[linux-2.6-microblaze.git]
/
arch
/
arc
/
mm
/
fault.c
diff --git
a/arch/arc/mm/fault.c
b/arch/arc/mm/fault.c
index
dad27e4
..
5ca59a4
100644
(file)
--- a/
arch/arc/mm/fault.c
+++ b/
arch/arc/mm/fault.c
@@
-146,6
+146,10
@@
retry:
return;
}
+ /* The fault is fully completed (including releasing mmap lock) */
+ if (fault & VM_FAULT_COMPLETED)
+ return;
+
/*
* Fault retry nuances, mmap_lock already relinquished by core mm
*/