| commit | e4b60f29609e9993dc7268993da509530862aa78 | [log] [tgz] |
|---|---|---|
| author | Chris Wilson <chris@chris-wilson.co.uk> | Mon Dec 05 21:29:05 2011 |
| committer | Chris Wilson <chris@chris-wilson.co.uk> | Mon Dec 05 22:22:10 2011 |
| tree | eaafe22d2f091d6288864359a546991fde9763c3 | |
| parent | 902ee661f1864aaf8325621085f6a1b5a6a3673a [diff] |
intel: Add an interface to limit vma caching There is a per-process limit on the number of vma that the process can keep open, so we cannot keep an unlimited cache of unused vma's (besides keeping track of all those vma in the kernel adds considerable overhead). However, in order to work around inefficiencies in the kernel it is beneficial to reuse the vma, so keep a MRU cache of vma. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>