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.
