I was wondering why with all the experts in the DNS323Wiki forum wouldn't know the answer to your question, and I see that it was answered on the last message in the link to the topic you gave.
I have 1.0.8 and as far as I know they did not change the kernel for 1.0.9:
root@DLink-NAS:/proc# cat /proc/version
Linux version 2.6.12.6-arm1 (tim@SWTEST2) (gcc version 3.3.3) #32 Wed Jun 24 15:19:48 CST 2009