On Thu, 2010-03-04 at 14:30 +1100, Nick Piggin wrote: > > Thanks for working on this. However, rwlocks are pretty nasty to use > when you have short critical sections and hot read-side (they're twice > as heavy as even spinlocks in that case). Should we add a checkpatch.pl warning for them? There really rarely is a good case for using rwlock_t, for as you say they're a pain and often more expensive than a spinlock_t, and if possible RCU has the best performance. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>