etc/conf/ve-vswap-*sample: set dcachesize to half of kmemsize

Otherwise all the kernel memory could be eaten up by dcache,
as shown in bug #1949.

http://bugzilla.openvz.org/1949

Reported-by: Thomas Menari <tom@coreware.co.uk>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
3 files changed