Messages in this thread | | | Subject | Re: 2.5.69-mm1 | From | "David S. Miller" <> | Date | 06 May 2003 05:02:22 -0700 |
| |
On Tue, 2003-05-06 at 04:09, Dipankar Sarma wrote: > That brings me to the point - with the fget-speedup patch, we should > probably change ->file_lock back to an rwlock again. We now take this > lock only when fd table is shared and under such situation the rwlock > should help. Andrew, it that ok ?
rwlocks believe it or not tend not to be superior over spinlocks, they actually promote cache line thrashing in the case they are actually being effective (>1 parallel reader)
-- David S. Miller <davem@redhat.com> - 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/
| |