Messages in this thread | | | From | Shakeel Butt <> | Date | Wed, 27 May 2020 14:35:47 -0700 | Subject | Re: [PATCH resend 3/3] mm: fix LRU balancing effect of new transparent huge pages |
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On Wed, May 27, 2020 at 1:46 PM Andrew Morton <akpm@linux-foundation.org> wrote: > > On Wed, 27 May 2020 15:41:48 -0400 Johannes Weiner <hannes@cmpxchg.org> wrote: > > > On Wed, May 27, 2020 at 11:29:58AM -0700, Shakeel Butt wrote: > > > From: Johannes Weiner <hannes@cmpxchg.org> > > > > > > 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@cmpxchg.org> > > > Signed-off-by: Shakeel Butt <shakeelb@google.com> > > > > 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.
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