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Howlett" , Andrew Morton , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH v2 03/10] Docs/mm/damon/design: update for context pause/resume feature Date: Fri, 20 Mar 2026 08:17:28 -0700 Message-ID: <20260320151729.99156-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260319052157.99433-4-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: B6F7C140002 X-Rspamd-Server: rspam08 X-Stat-Signature: hpjddermubuf35q1cdprofatgpepkbtg X-HE-Tag: 1774019857-438175 X-HE-Meta: U2FsdGVkX18KrRuOLd445rHUiLzAY7eLaf4JyQxuis9pw/sCkP7MFcV4HkyHCz9dkg0gCL14Gc08+ftl6Hz/IN5MEzKwrjqQpD8thRBJktYMXJPOYYIGE9PVKX2TmiJn2gdrZhO+4tQA8t3NK2x4l6nf+QS6Hmum+HjAWkOgfd5hyTkknvICF5YjEGQ/WBFVQy+uz4yUCK9b1DfmdVCxwtgcDAygDkO6zdSlDPn5E2WH07wOqG38VW0EUxQglRLGYgEmdid2VkqMRYGemJ9YadbjITcXD7jTtu9qKdxSkGzjz3+IriW955lZ7Az23AHG743uy20ieKwKwzr1NHW5xkC3UR5FO1mcObcGWcF5QqcMRtrxhW8hQQcb+KHkIKZzaTSDn4KVm0T46gx4D2G/idHrv0u2RGP0Td4LqJrwrVSHdc/oZULzF7drMVaRQjbG5F3p0Rvi3qo+4V1okBVcQJ/7g1FvH6A2awDBhxGe5nWuQYqNqAhL5XqIg4siPdi9l19VaI8fZfN2tQnEeUIwJBxaMbRCHUA4WZvfukN3MSkBiLZI/sw6o+8DMHjsLQTwY5eVMFL985BFPe/18MczWgcWrS6uGUymcJHr+o7kxwrHqc785viRf0683uaqv54xmXAF9tjb4+ty5XFZ20uftojRD9KxARFZKLjseJtyhwOEuvvWVMGUt5BjssTezBp83erdjXzPREZ2XnMPduWs2h56gMgTM64WxvMzwGzjVp9TSqvTQkxQxjYUy8xPhzIL6pd1Rp9vlR7ULEr/gpG17cdYFAEvghqx2zwro0o9YdNjnHc6E+4p/lkHtJWP1L0ilV9QNIuTkU29leKJZGaFkKxE02d/ESm9qRL5Ed3dTwi0Lis4TNTdDkLdlZWu2XpWFDtmxEw70lpHoicGh5NVHVXM5RZQOzIk//CFp9ripoKDC/b7dM2o447bGFA5HyFzzemWxKGXUFF+Wc92kA4 aNurfwvU 3T6IlDAPb13pv69Q1bBxg6UUcm5pPawECtKc32u02Y6FipmOV43EJEDJPWXmnOK1VRxADVYJwSEP4pIQ2B7mytZn23NkZFKBw1L0ydLaHj4T2zTWOVZLKhiW6KwgfJ/BUDMnTIjsJViixSTheMDVkTWU2nLpDLfMxq3FOwoO47AqCssQvxO+0ypUWw/LQdHWaXc2296enOc+/4A4qywyJsMu2zFImTxIYg6fEb1BYBxyPgDUukzkqt7HhIQXl6I8AEO7fUQT7GANmM03n4JNcJ0VNVhTk+5lpiQAH Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 18 Mar 2026 22:21:46 -0700 SeongJae Park wrote: > Update DAMON design document for the context execution pause/resume > feature. > > Signed-off-by: SeongJae Park > --- > Documentation/mm/damon/design.rst | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst > index 838b14d225193..e2e4fe3fb3986 100644 > --- a/Documentation/mm/damon/design.rst > +++ b/Documentation/mm/damon/design.rst > @@ -19,6 +19,13 @@ types of monitoring. > To know how user-space can do the configurations and start/stop DAMON, refer to > :ref:`DAMON sysfs interface ` documentation. > > +Users can also request each context execution to be paused and resumed. When > +it is paused, the kdamond does nothing but only online parameters updates > +including resume request handling. Sashiko comment (https://sashiko.dev/#/patchset/20260319052157.99433-4-sj@kernel.org) below. : This isn't a bug, but the phrasing "does nothing but only online parameters : updates" is a bit awkward. Could this be reworded for clarity, perhaps to : something like "does nothing other than apply online parameter updates"? I pretty sure Sashiko is more English fluent than I. But, shouldn't 's/apply/applying/' ? I will update the sentence to "When it is paused, the kdamond does nothing other than applying online parameter update" in the next revision. Thanks, SJ [...]