On Thu, Jun 24, 2010 at 12:19:32PM +0300, Avi Kivity wrote:
I see really slow vmalloc performance on 2.6.35-rc3:Can you try this patch?
It's not iterating down the tree, it's iterating through the
It seems completely wrong - iterating 8 levels of a binary tree
shouldn't take half a millisecond.
nodes to find a free area. Slows down because lazy vunmap means
that quite a lot of little areas build up right at the start of
our search start address. The vmap cache should hopefully fix