On ma, 2016-08-01 at 19:22 +0100, Chris Wilson wrote: > If we make the observation that mmap-offsets are only released when we > free an object, we can then deduce that the shrinker only creates free > space in the mmap arena indirectly by flushing the request list and > freeing expired objects. If we combine this with the lockless > vma-manager and lockless idling, we can avoid taking our big struct_mutex > until we need to actually free the requests. > > One side-effect is that we defer the madvise checking until we need the > pages (i.e. the fault handler). This brings us into line with the other > delayed checks (and madvise in general). > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Don't necessarily agree with all the "== 0", because it's in the minority but; Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Regards, Joonas -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
