On Tue, 2007-08-21 at 16:05 +1000, Dave Airlie wrote: > So you can see why some sort of uncached+writecombined page cache > would be useful, I could just allocate a bunch of pages at startup as > uncached+writecombined, and allocate pixmaps from them and when I > bind/free the pixmap I don't need the flush at all, now I'd really > like this to be part of the VM so that under memory pressure it can > just take the pages I've got in my cache back and after flushing turn > them back into cached pages, the other option is for the DRM to do > this on its own and penalise the whole system.
Can't you make these pages part of the regular VM by sticking them all into an address_space. And for this reclaim behaviour you'd only need to set PG_private and have a_ops->releasepage() dtrt. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
