kernel security and bug fix update

kernel-2.4.21-57.0.0.0.1.EL - add directio support for qla drivers herb ora 6346849 - support PT Quad card ora 5751043 - ora 5088963: io to nfs partition hangs - add entropy for bnx2 nic ora 5931647 - avoid large allocation-fragmentation in MTU zab - fix clear highpage wli kernel-2.4.21-57.EL -...