igb: add page recycling support

This patch adds support for page recycling by splitting the page into two
usable portions and tracking the reference count.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Alexander Duyck 2008-07-08 15:11:40 -07:00 committed by Jeff Garzik
commit bf36c1a004
2 changed files with 63 additions and 79 deletions