change void * to struct offtree_memb *
change void * to struct offtree_memb *

add OFTREQ_OP_PRFFP OFTREQ_OP_PRFLP (prefetch first / last page)



git-svn-id: ae92b08b608af1c8cefa3e10d2325ea527204e07@3507 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable