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Sat, 07 Jun 2025 05:58:03 -0700 (PDT) MIME-Version: 1.0 References: <20250515032226.128900-1-npache@redhat.com> <20250515032226.128900-13-npache@redhat.com> In-Reply-To: From: Nico Pache Date: Sat, 7 Jun 2025 06:57:36 -0600 X-Gm-Features: AX0GCFt-sIirhVY_s3fqNEN_w8JX_uHJd6OXJSEG9XOqi8-7-ivm0tpji4jWrKU Message-ID: Subject: Re: [PATCH v7 12/12] Documentation: mm: update the admin guide for mTHP collapse To: Dev Jain Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, david@redhat.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, ryan.roberts@arm.com, corbet@lwn.net, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, akpm@linux-foundation.org, baohua@kernel.org, willy@infradead.org, peterx@redhat.com, wangkefeng.wang@huawei.com, usamaarif642@gmail.com, sunnanyong@huawei.com, vishal.moola@gmail.com, thomas.hellstrom@linux.intel.com, yang@os.amperecomputing.com, kirill.shutemov@linux.intel.com, aarcange@redhat.com, raquini@redhat.com, anshuman.khandual@arm.com, catalin.marinas@arm.com, tiwai@suse.de, will@kernel.org, dave.hansen@linux.intel.com, jack@suse.cz, cl@gentwo.org, jglisse@google.com, surenb@google.com, zokeefe@google.com, hannes@cmpxchg.org, rientjes@google.com, mhocko@suse.com, rdunlap@infradead.org, Bagas Sanjaya X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: RUliulCwbGUhNgC8z5GwCrez0qFZ_vXVSYw3GsgNL_k_1749301083 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 3DC3410000C X-Stat-Signature: c58wx8sajjpcr5i4zoejgfb5pccxxxgn X-Rspam-User: X-HE-Tag: 1749301086-25724 X-HE-Meta: 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 2HXRBZOm B6R1cYfS0VRgGV16GmkezDQLynnsSmhnfdwyl2YMp1+QV0G8IisSiZX/q91nis3hAPD1hFT8o3FNvGq7NeNtnsM8RipgHSxowvmUbWW2bR2gQ2uHM4+vYyjOi8OdFQFO6IsFHgGktuEbdrAmiqc0QV+ekB/zRJmr3ytFxLwrV4d1krnSKiEGdsmeyxo0VPgszY32av1yN7ytyh96vG42tBEnHd3iFhvjk3VWSZYZK4Z1OpqzEDVtTBTsNdGulWE1bGSfZjNPfTAAwh6JQA4rLa3cd4JY+YbK+xZeFxTRjI8yg0Hs9Ch74OtyjduI4f4OkfK9m8fSsofkWmSs1DOu2CYfy7GX+gLkKGQkTfRIYgldS2bQAEFCataKeZ1RI8ixEtlQ4AE4A1UhlpUyjuzzJAc1fBIrkr55da8E2OwstfYcSvEz9YCtNtOACcw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, 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 Sat, Jun 7, 2025 at 12:45=E2=80=AFAM Dev Jain wrote: > > > On 15/05/25 8:52 am, Nico Pache wrote: > > Now that we can collapse to mTHPs lets update the admin guide to > reflect these changes and provide proper guidence on how to utilize it. > > Reviewed-by: Bagas Sanjaya > Signed-off-by: Nico Pache > --- > Documentation/admin-guide/mm/transhuge.rst | 14 +++++++++++++- > 1 file changed, 13 insertions(+), 1 deletion(-) > > diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/a= dmin-guide/mm/transhuge.rst > index dff8d5985f0f..5c63fe51b3ad 100644 > --- a/Documentation/admin-guide/mm/transhuge.rst > +++ b/Documentation/admin-guide/mm/transhuge.rst > > > We need to modify/remove the following paragraph: > > khugepaged currently only searches for opportunities to collapse to > PMD-sized THP and no attempt is made to collapse to other THP > sizes. On this version this is currently still true, but once I add Baolin's patch it will not be true. Thanks for the reminder :) -- Nico