Using Link2SD on Gingerbread (Tested on GT-S5830 Galaxy Ace)

If you install Link2SD on Gingerbread, you'll get notification "mount warning" every turn on your handheld. This is caused by two lines in the file init.rc that is marked by #. so you have to remove it so that it becomes like the picture below:

See the top two lines. The two lines that I mean is:
service flash_recovery /system/etc/install-recovery.sh
one shoot

About how to remove the marks on that two lines you need Linux based system. If you won't to do that, you can download the firmware which I have edited here. The firmware on that link is XWKS9 (S5830XWKS9_S5830XEOKP2_XEO).

Below is screenshoot from my GT-S5830 Galaxy Ace before and after apply Link2SD. This is screenshoot after flashing the firmware that I have edited:

Then I install GunsNGlory, Clouds & Sheep and Tank Hero from the market. Available space on internal phone storage is reduced from 151MB to 147MB.

Then I install Link2SD from the market. Here is the screenshot "Storagr Info" from Link2SD before I create link:

 After I create link, internal phone memory increased from 147MB to 150MB. Below is screenshoot from "SD card and phone storage settings" and then Storage Info on Link2SD:

You can download Link2SD from the market.