New Safe Memory Reclamation Feature in UMA

For uninitialized out there:

Exploiting UMA, FreeBSD's kernel memory allocator (2009) has a nice background description

http://phrack.org/issues/66/8.html

Here's the API:

https://www.freebsd.org/cgi/man.cgi?query=uma&sektion=9

UMA is the slab allocator in FreeBSD.