Re: New Performance (+Memory saver) patch
Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 11 Apr 1997 23:55:37 +0100 (BST)
> I'm currently looking at some basic threading of the SLAB allocator (an
> irq spin-lock per cache, plus one for the cache chain). That should allow
> some code (including get_fd()?) to mirgate outside of the global kernel
> lock.
The test get_fd() I have uses _no_ locks except for clones of CLONE_FD
space where it locks. That relies on nobody changing the data structure
under it.