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| author | alc <alc@FreeBSD.org> | 2011-10-25 16:35:08 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2011-10-25 16:35:08 +0000 |
| commit | 955d2b5af8740fe3af16a47e773773f03e52cdde (patch) | |
| tree | c44ba760670cedf98c25880bb3cef763b351e2af /sbin/swapon/swapon.c | |
| parent | afe77a15ac76058e7f1725e7ba0ccc6e9a314d87 (diff) | |
| download | FreeBSD-src-955d2b5af8740fe3af16a47e773773f03e52cdde.zip FreeBSD-src-955d2b5af8740fe3af16a47e773773f03e52cdde.tar.gz | |
Speed up vm_page_cache() and vm_page_remove() by checking for a few
common cases that can be handled in constant time. The insight being
that a page's parent in the vm object's tree is very often its
predecessor or successor in the vm object's ordered memq.
Tested by: jhb
MFC after: 10 days
Diffstat (limited to 'sbin/swapon/swapon.c')
0 files changed, 0 insertions, 0 deletions
