On Tue, 18 May 2010 23:11:42 +0200, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote: > Hi all, > > This patch series implements the fair-lru eviction Chris Wilson already > posted with a twist. It's essentially the same idea & algorithm. > Differnences versus his patch: > - Doesn't do any allocations while scanning. > - Implemented in drm_mm.c > > In other words, this should also be usable by ttm. The idea is simple: > Scan through the lru, marking objects as evictable until there is a > large area of memory free/free-able. Then walk through all the scanned > objects in reverse, checking which ones fall into this hole. Finally > evicting them. > > Comments, ideas highly welcome. > > As per usual, I couldn't resist and had to clean up the code in drm_mm.c a > little. Do you have performance numbers on these patches?
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