On Wed, May 27, 2020 at 12:42 PM Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > > On Wed, May 27, 2020 at 11:29:58AM -0700, Shakeel Butt wrote: > > From: Johannes Weiner <hannes@xxxxxxxxxxx> > > > > Currently, THP are counted as single pages until they are split right > > before being swapped out. However, at that point the VM is already in > > the middle of reclaim, and adjusting the LRU balance then is useless. > > > > Always account THP by the number of basepages, and remove the fixup > > from the splitting path. > > > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> > > Signed-off-by: Shakeel Butt <shakeelb@xxxxxxxxxx> > > This is now already in mm as part of the "mm: balance LRU lists based > on relative thrashing" series that I sent out last week and where it > was originally from. Oh sorry, I missed it.