On Thu, Apr 05, 2018 at 02:27:54PM +0200, Claudio Imbrenda wrote: > When using KSM with use_zero_pages, we replace anonymous pages > containing only zeroes with actual zero pages, which are not anonymous. > We need to do proper accounting of the mm counters, otherwise we will > get wrong values in /proc and a BUG message in dmesg when tearing down > the mm. > > Fixes: e86c59b1b1 ("mm/ksm: improve deduplication of zero pages with colouring") > > Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxxxxxxx> > --- > mm/ksm.c | 7 +++++++ > 1 file changed, 7 insertions(+) <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>