c5 i686

drwxr-xr-x 6 root  root  4096 Oct  2 18:45 2.6.18-8.1.14.el5.centos.plusvm-PAE
drwxr-xr-x 6 root  root  4096 Oct  2 18:37 2.6.18-8.1.14.el5.centos.plusvm
drwxr-xr-x 6 root  root  4096 Oct  2 18:37 2.6.18-8.1.14.el5vm
drwxr-xr-x 6 root  root  4096 Oct  2 18:24 2.6.18-8.1.14.el5vm-PAE

c5 x86_64

drwxr-xr-x 6 root root 4096 Oct  3 04:12 2.6.18-8.1.14.el5.centos.plusvm
drwxr-xr-x 6 root root 4096 Oct  2 22:35 2.6.18-8.1.14.el5vm

c4 i686

drwxr-xr-x  3 root root 4096 Oct  4 16:28 2.6.9-55.0.9.ELvm-smp
drwxr-xr-x  3 root root 4096 Oct  4 14:53 2.6.9-55.0.9.plus.c4vm-smp
drwxr-xr-x  3 root root 4096 Oct  4 07:42 2.6.9-55.0.9.plus.c4vm-hugemem
drwxr-xr-x  3 root root 4096 Oct  4 07:12 2.6.9-55.0.9.plus.c4vm
drwxr-xr-x  3 root root 4096 Oct  2 19:07 2.6.9-55.0.9.ELvm-hugemem
drwxr-xr-x  3 root root 4096 Oct  2 18:49 2.6.9-55.0.9.ELvm

c4 x86_64

drwxr-xr-x  3 root root 4096 Oct  4 16:17 2.6.9-55.0.9.plus.c4vm-smp
drwxr-xr-x  3 root root 4096 Oct  4 15:51 2.6.9-55.0.9.ELvm-smp
drwxr-xr-x  3 root root 4096 Oct  3 05:25 2.6.9-55.0.9.plus.c4vm
drwxr-xr-x  3 root root 4096 Oct  2 22:37 2.6.9-55.0.9.ELvm

Missing files (dev.centos.org):

kernel-vm-devel-2.6.9-55.0.9.plus.c4.x86_64.rpm
kernel-vm-2.6.9-55.0.9.plus.c4.i686.rpm
kernel-vm-smp-devel-2.6.9-55.0.9.plus.c4.i686.rpm
kernel-vm-hugemem-2.6.9-55.0.9.plus.c4.i686.rpm
kernel-vm-hugemem-devel-2.6.9-55.0.9.plus.c4.i686.rpm