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To: Kanchana P Sridhar Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, hannes@cmpxchg.org, yosryahmed@google.com, chengming.zhou@linux.dev, usamaarif642@gmail.com, shakeel.butt@linux.dev, ryan.roberts@arm.com, ying.huang@intel.com, 21cnbao@gmail.com, akpm@linux-foundation.org, nanhai.zou@intel.com, wajdi.k.feghali@intel.com, vinodh.gopal@intel.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: 113fbjtbggecce8r44ges9rn1qjgqxhq X-Rspamd-Queue-Id: 0B17540013 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1727199416-345694 X-HE-Meta: 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 ycqNCBve mwuAROdGVy4XNTiAvhPhAfgYo6lohIxPqdMw7vIAtmV+0thbG6CiVBLPqfP9o/fntB/WH8u7lKQXUfRbn/R64cPOBaU+47SgLvVDgBQkefCiAjO5RvHsScVT0gEDfZS9VBRYq96QEbPg4rn+ebG7yuT226lVytHd8e1ewIqismbnchi3ofm3zuIgtJ7PI+qSGAT6AVHDGHqBlMaSILFV6IUADN/2TLbDZ8GMtdbJsLVm67X8IMksBEuC+Gx5dc3eGcedpG6DPOtoAM5J85W/e8VO6ZiyOaHb9RCVoLMrh+c8xFg39dtqnMnmmz2V3Ij3vZatAZCki9ajKluKToKfLmYbwrA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.023258, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Sep 23, 2024 at 6:17=E2=80=AFPM Kanchana P Sridhar wrote: > > Added documentation for the newly added sysfs mTHP "zswpout" stats. > > Clarified that only non-ZSWAP mTHP swapouts will be accounted in the mTHP > "swpout" stats. > > Signed-off-by: Kanchana P Sridhar > --- > Documentation/admin-guide/mm/transhuge.rst | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/a= dmin-guide/mm/transhuge.rst > index cfdd16a52e39..a65f905e9ca7 100644 > --- a/Documentation/admin-guide/mm/transhuge.rst > +++ b/Documentation/admin-guide/mm/transhuge.rst > @@ -530,10 +530,14 @@ anon_fault_fallback_charge > instead falls back to using huge pages with lower orders or > small pages even though the allocation was successful. > > -swpout > - is incremented every time a huge page is swapped out in one > +zswpout > + is incremented every time a huge page is swapped out to ZSWAP in = one > piece without splitting. nit: a bit weird to capitalize ZSWAP no? :) > > +swpout > + is incremented every time a huge page is swapped out to a non-ZSW= AP > + swap entity in one piece without splitting. > + nit: "non-zswap swap entity" is a bit awkward. Maybe swapped out to a non-zswap swap device?