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h=From:To:Cc:Subject:Date:From; b=WhuHjQIv6Pol6N/P+dprtI3vKa1js1j6UzApwG/EO+qzN8IfEfogmftX4TbSVuKGR JtEGvyD3Q1aJLwwcQZbWruwk15pkEkLV2792k2hLb2BDKEKKjDbEdU8+ZJCxT57zfj lr8uE13xC/qyMxUs6NRbXDnR/eQvl82NaMwnIeWYQVcCdCyd68rwrtInjFEYQ4jwMw rGeGmllQ2iR2FJLwSXZVByN9hUEoFN9Ww6BjHny4Eet95bIZr1Lh6kdCyfY9FErZWX ppYpXHqasUtTzW97zAO+6ivSL9fnXqRgpe/DLIYZhgRy6lNvPzLFFAer5YAtqYB4ba XwBryLKtDEi9Q== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 0/2] mm/damon: build-enable essential DAMON components by default Date: Tue, 20 May 2025 21:27:53 -0700 Message-Id: <20250521042755.39653-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 9E3FF80009 X-Stat-Signature: sux1t535zacx1yy3xp55oakgm38sy87a X-HE-Tag: 1747801681-858588 X-HE-Meta: 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 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: As of this writing, multiple major distros including Alma, Amazon, Android, CentOS, Debian, Fedora, and Oracle are build-enabling DAMON (set CONFIG_DAMON[1]). Configuring DAMON is not very easy, since it is disabled by default, and there are multiple essential options that need to be manually turned on, one by one. Make it easier, by grouping essential configurations to be enabled with one selection, and enabling build of the essential parts of DAMON by default. Note that build-enabling DAMON does not introduce any real risk, since it makes no behavioral change by default. It requires explicit user requests to do anything. Only one potential risk is making the size of the kernel a little bit larger. On a production-purpose configuration, it increases the resulting kernel package binary size by about 0.1 % of the final package file. I believe that's too small to be a real problem in common setups. Changes from RFC (https://lore.kernel.org/20250512182716.50245-1-sj@kernel.org) - Rebase to latest mm-new - Wordsmith cover letter and commit messages [1] https://oracle.github.io/kconfigs/?config=UTS_RELEASE&config=DAMON SeongJae Park (2): mm/damon/Kconfig: set DAMON_{VADDR,PADDR,SYSFS} default to DAMON mm/damon/Kconfig: enable CONFIG_DAMON by default mm/damon/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) base-commit: 88d53b68fa80a693259ba705b4750f91e9c77888 -- 2.39.5