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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Shuah Khan , Aishwarya TCV , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] selftests/mm: Specify requirement for PROC_MEM_ALWAYS_FORCE=y Message-ID: <5357ef55-15c0-4c66-867d-898fa7f51414@sirena.org.uk> References: <20260416-selftests-mm-proc-mem-always-force-v1-1-3f5865153c67@kernel.org> <17ea54b2-d43f-49a9-9dd4-d2330a8daa92@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="HEiFX0I1YfdPL4ri" Content-Disposition: inline In-Reply-To: <17ea54b2-d43f-49a9-9dd4-d2330a8daa92@kernel.org> X-Cookie: Process promptly. X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 035DB4000D X-Stat-Signature: j41zrnz4gfusqhdyxxctz18moapuyxt7 X-HE-Tag: 1776366659-325000 X-HE-Meta: U2FsdGVkX19h3C+g1k1FK/o94LxyXJ9dD9E8J858lIFRpehlc6TIu7Mwn2iZi7kMBNn22dDi9lzA6SUaeHvs1NkzF8EU1+PMvOBJdflAEVLbabl/kky4w/klmnRBhD5i3PMPRjmRebNQOFob3HxSdi31jLKqJ6ZvAhbsAYBsYPSdvpRsJ39b7KHeE5MQy/TJA2dMuwtCcxOibBJQVExI27nzve3A3BgQYvBOWqda+Yk+X+FBy7+6kqb+amo6+Ud/CLJ+ArTXQ2d8hAKYEVwTFfp8roZM24Tv/qtZXDNSvS/14ChWkNULMf3zeksU+3HYftZbfFp5dvufajFHwvvMp1Jp9VSv6aC6RWbvWr4K9I3zsH3ZhtwcPN2mXDN2vfFHpM1Qj1A2yT/beg781vUKC51hFc+e574YExmk1Xtrk6kLF0JjSJjGB9QKYBs69p2sTXuldJ+o8mV3qR8OL2a5ZLyryVHHVRsNZaYA71vbgdUznoq0NtPReeeXplYuSLIDHDV8L1/cJUM8rj1k4xUqz+Ej+QX3Lfh3UGV9nFOQDo7Ua+fLj90VtIPvxkXdOZ2pMrOK/dywDKmvoV6eZVAD+aQV9mqrDf8V4EOVZUB4knAcUrCHG1xxOrgjNvIUAwW7Kn9oLBMER/TkE6IeB1Hf7ANddMZnPHb6USysR09TpdmhNdKo1Im80iCJ4OPxN79XfHO4ng8PDNWpn5dziUsk+oOAQklxz8G/zfSt/dsJzfvWs9RYqN2wwIBDSel0Xno3RhbUPDHrINGTQFoK6aUNao9sjqhD4dGS06llxg4UaZjIZS5PtHLbspEgNVgiK5oWwh7QCvLJGgowjec2XXB4VKwHK/h/CiPiDulDzocLkXBwNh1I7dF/yt7AfeQiri8OF4MY0h45PX92BPYgZPqtyiihBFt/NKzrWj49AgeErVsJdKPzp/SZQMoj1+oy0I2EQLs4p2oNXZPRZJShYDu iNRdetqr AVMpEn4jxisdO/qZxcJ5t9/Gbd2KLYGCrB5924G6ZEuxuOzzfIbMJTJJqAr9GXXbhX4i+uzu6BEQOHF8178V7HVmzl29UJvInJyEFjbP5kXivyNVwUX/pEkXwbc6qC5P4wlQL9MIzBGwpK9Z4edKPkkZREE+8t6ieK2ONh5pz9h5KJ/QDjQ40EQZL0GFPWafNsPpDvaf4O6wOsaKxquCtIODrtr2OKjyo+IAV6GU9rNclpFJv2QelR3OGtjqCavihWLsPui/Lb2cgJoBQfur/YQaWMFgnTV8iUjgIqFONDLE5ZiUEmP8FNlR66TTGFfzfIx0fzFnYMnyXJtU7VQxhV76bXeAmciHqfjOJt/wnTKn6/YqacgsrX26fzJg2DjS5gGPs Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: --HEiFX0I1YfdPL4ri Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Apr 16, 2026 at 09:05:11PM +0200, David Hildenbrand (Arm) wrote: > On 4/16/26 20:40, Mark Brown wrote: > > Several of the mm selftests made use of /proc/pid/mem as part of their > > operation but we do not specify this in the config fragment for them, at > > least mkdirty and ksm_functional_tests have this requirement. > I guess we could teach most tests to SKIP if /proc/pid/mem is unusable. That would be nicer, yes. I imagine some of these will predate there being a configuration option here at all, it's possible there's newer tests that skip cleanly - I didn't look at the skips. > Acked-by: David Hildenbrand (Arm) Thanks. --HEiFX0I1YfdPL4ri Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmnhNDwACgkQJNaLcl1U h9CO5wf/ROdoUF0dztd3ovGRimBdfS51befOuahPx/FYaDWmtZQ6iCaEO2RaNiUV Dy9zPJA/FtqH7R38JcoWWx1yORMifNLjPYn1lQLm2ZiIvoOt91vElmVBP/U1qidb Khrp0gGkyCSA2umNehEbJD+iI86+WxdBsOOJmQX8kTB4f5I4w0vSAKNiAzg5VXnQ +fbDnSTsAU5LS2b/weVz2bMTUOZjyHeMdYix+2FcIIo+3HLbZ8LqXD2i52W85dyT utRCzoKjQ4G6BUzTHhm59qfIX1WRf6jfY3OG0Hq10Xj9CLjv3BLEdUuFYX+x6dzr KsPvSE6cSmX6jp+ThYUUBH9J5smtqA== =Z+Yj -----END PGP SIGNATURE----- --HEiFX0I1YfdPL4ri--