On Wed, May 27, 2020 at 1:46 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, 27 May 2020 15:41:48 -0400 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. > > Yup. I hope [1/3] and [2/3] weren't urgent? No urgency.
