As required under the GPL, Samsung has released its kernel source code for the (international) Galaxy S III -- the Linux core upon which Android is based. The code's available right now from the Samsung open source repository, and while it won't be of much use to regular users, custom ROM makers will undoubtedly be pouring over the code in the days and weeks ahead.
The emergence of kernel source for a newly-released device isn't surprising, but it is great to see code appearing online just a day or so after the official street date. Community developers now have plenty of time to get to grips with Samsung's kernel, which will hopefully result in better custom ROMs for Galaxy S III owners.
To grab the kernel source for yourself, hit the link below.
Source: Samsung Open Source