On Wed, Oct 02, 2013 at 10:44:31AM +0200, Borislav Petkov wrote: > On Sat, Jun 15, 2013 at 10:27:19AM -0600, Alex Williamson wrote: > > At best the current code only seems to free the leaf pagetables and > > the root. If you're unlucky enough to have a large gap (like any > > QEMU guest with more than 3G of memory), only the first chunk of leaf > > pagetables are freed (plus the root). This is a massive memory leak. > > This patch re-writes the pagetable freeing function to use a > > recursive algorithm and manages to not only free all the pagetables, > > but does it without any apparent performance loss versus the current > > broken version. > > > > Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx> > > Cc: stable@xxxxxxxxxxxxxxx > > --- > > > > Suggesting for stable, would like to see some soak time, but it's > > hard to imagine this being any worse than the current code. > > Btw, I have a backport for the 3.0.x series which builds fine here, in > case you guys are interested :) Thanks, now applied. greg k-h -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
