> -----Original Message----- > From: Nhat Pham <nphamcs@xxxxxxxxx> > Sent: Wednesday, August 28, 2024 2:35 PM > To: Sridhar, Kanchana P <kanchana.p.sridhar@xxxxxxxxx> > Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx; > hannes@xxxxxxxxxxx; yosryahmed@xxxxxxxxxx; ryan.roberts@xxxxxxx; > Huang, Ying <ying.huang@xxxxxxxxx>; 21cnbao@xxxxxxxxx; akpm@linux- > foundation.org; Zou, Nanhai <nanhai.zou@xxxxxxxxx>; Feghali, Wajdi K > <wajdi.k.feghali@xxxxxxxxx>; Gopal, Vinodh <vinodh.gopal@xxxxxxxxx> > Subject: Re: [PATCH v5 0/3] mm: ZSWAP swap-out of mTHP folios > > On Wed, Aug 28, 2024 at 2:35 AM Kanchana P Sridhar > <kanchana.p.sridhar@xxxxxxxxx> wrote: [snip] > My understanding is from zswap's perspective, the large folio is > broken apart into independent subpages, correct? What happens when we Yes, this is correct. > have partially written back mTHP (i.e some subpages are in zswap > still, whereas others are written back to swap). Would this > automatically prevent mTHP swapin?