diff options
| author | jeff <jeff@FreeBSD.org> | 2013-06-28 03:51:20 +0000 |
|---|---|---|
| committer | jeff <jeff@FreeBSD.org> | 2013-06-28 03:51:20 +0000 |
| commit | e725dd5c1ef985f6374f7a36ebdaaf10964b0131 (patch) | |
| tree | 1ec9ab556a4e03f63542c71cdcc9e56ac39f7ef0 /libexec | |
| parent | 5aabb39c86af06392b2155209b47c6511f6f8167 (diff) | |
| download | FreeBSD-src-e725dd5c1ef985f6374f7a36ebdaaf10964b0131.zip FreeBSD-src-e725dd5c1ef985f6374f7a36ebdaaf10964b0131.tar.gz | |
- Add a general purpose resource allocator, vmem, from NetBSD. It was
originally inspired by the Solaris vmem detailed in the proceedings
of usenix 2001. The NetBSD version was heavily refactored for bugs
and simplicity.
- Use this resource allocator to allocate the buffer and transient maps.
Buffer cache defrags are reduced by 25% when used by filesystems with
mixed block sizes. Ultimately this may permit dynamic buffer cache
sizing on low KVA machines.
Discussed with: alc, kib, attilio
Tested by: pho
Sponsored by: EMC / Isilon Storage Division
Diffstat (limited to 'libexec')
0 files changed, 0 insertions, 0 deletions
