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Sun, 09 Nov 2025 05:50:10 -0800 (PST) Received: from archie.me ([210.87.74.117]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29650c5e3c5sm116341295ad.43.2025.11.09.05.50.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Nov 2025 05:50:09 -0800 (PST) Received: by archie.me (Postfix, from userid 1000) id C2CC342BF679; Sun, 09 Nov 2025 20:50:04 +0700 (WIB) Date: Sun, 9 Nov 2025 20:50:04 +0700 From: Bagas Sanjaya To: Swaraj Gaikwad , dev.jain@arm.com Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: Guidance on contributing to MM subsystem Message-ID: References: <20251109141452.7097-1-swarajgaikwad1925@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="o5P0qWO0UkoQwcFB" Content-Disposition: inline In-Reply-To: <20251109141452.7097-1-swarajgaikwad1925@gmail.com> X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: EDF26180010 X-Stat-Signature: m99agc13zp1ua7i6cw57mq4uy4kdwe1i X-HE-Tag: 1762696211-342101 X-HE-Meta: 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 w2YFw2F1 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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: --o5P0qWO0UkoQwcFB Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Nov 09, 2025 at 02:14:50PM +0000, Swaraj Gaikwad wrote: > Hi Dev, > Thank you so much for your reply and for sharing your experience. > I do have some basic understanding of how parts of the MM subsystem work, > but I=E2=80=99m still struggling with how to find meaningful issues or ta= sks to work > on. For example, I=E2=80=99ve been trying to explore various parts of the= code and > read through documentation to get a better grasp of how things fit togeth= er. >=20 > In other open-source projects, like on GitHub, there=E2=80=99s usually an= =E2=80=9CIssues=E2=80=9D > section where contributors can easily find bugs or tasks to work on. In t= he > kernel, should I mainly focus on exploring TODOs, adding selftests, or > improving documentation (especially for new or less-documented parts)? I > also believe branches like mm-unstable and mm-new might have ongoing issu= es > or regressions, but how do developers usually find or detect them? Would > simply building these branches expose such problems through compiler erro= rs, > or should I try building with different configurations (for example, using > defconfig and other configs) to uncover potential issues? >=20 > Even though I=E2=80=99m beginning to understand how different parts of th= e subsystem > interact, I=E2=80=99m not sure how developers usually identify new bugs o= r feature > ideas to work on. Once I understand the code flow better, how can I > effectively find such issues or areas where help is actually needed? I can only speak for the documentation subsystem as I'm regular there. For docs, I'm usually watching linux-next mailing list and looking for new build warnings report there. If the report says htmldocs AND the warnings a= re emitted from Sphinx (look for [docutils] like [1]), I reproduce them locally (make sure to set up the environment per Documentation/doc-guide/sphinx.rst) and fix them (in that case, I submit [2]). In absence of aforementioned, I build htmldocs then wandered through its resulting output to see what formatting improvements I can make and submit (e.g. [3], [4], and [5]). Thanks. [1]: https://lore.kernel.org/linux-next/20251106143925.578e411b@canb.auug.o= rg.au/ [2]: https://lore.kernel.org/linux-doc/20251107081300.13033-2-bagasdotme@gm= ail.com/ [3]: https://lore.kernel.org/linux-doc/20251103093817.52764-2-bagasdotme@gm= ail.com/ [4]: https://lore.kernel.org/linux-doc/20251017064525.28836-2-bagasdotme@gm= ail.com/ [5]: https://lore.kernel.org/linux-doc/20251013095630.34235-2-bagasdotme@gm= ail.com/ --=20 An old man doll... just what I always wanted! - Clara --o5P0qWO0UkoQwcFB Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCaRCcCAAKCRD2uYlJVVFO o4zEAQDYl4qSeekBOaAB9zxtXScuTFp6kvkLpXjcPuU8fui+UQEA6ZcPvcSCi55k Sqqw2oAAzD39cMDepBDho0hFAAPXrAw= =/YTl -----END PGP SIGNATURE----- --o5P0qWO0UkoQwcFB--