2.5.6-pre2-akpm compiled with MPIO_DEBUG = 0 and ext2
filesystem mounted with delalloc.
tiobench and dbench were on ext2.
bonnie++ and most other tests were on reiserfs.
2.5.6-pre2-akpm throughput on ext2 is much improved.
http://home.earthlink.net/~rwhron/kernel/akpm.html
One odd number in lmbench is page fault latency. Lmbench also
showed high page fault latency in 2.4.18-pre9 with make_request,
read-latency2, and low-latency. 2.4.19-pre1aa1 with read_latency2
(2.4.19pre1aa1rl) did not show a bump in page fault latency.
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