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Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__ECDSA_SECP256R1_SHA256__AES_256_GCM:256) (Exim 4.98.2) (envelope-from ) id 1xBAXM-0000000DXzf-0Rx8; Mon, 28 Sep 2026 14:32:52 +0200 Message-ID: <8dfc0ec9ed660e373451c96b6fcc352c35a6a004.camel@sipsolutions.net> Subject: Re: [PATCH v3 2/3] selftests: run tests on nommu architecture From: Johannes Berg To: "Lorenzo Stoakes (ARM)" Cc: Hajime Tazaki , linux-mm@kvack.org, liam@infradead.org, rbm@suse.com, akpm@linux-foundation.org, luto@amacapital.net, brendan.jackman@linux.dev, david@kernel.org, liuhangbin@gmail.com, corbet@lwn.net, kees@kernel.org, broonie@kernel.org, mhocko@suse.com, rppt@kernel.org, shuah@kernel.org, surenb@google.com, vbabka@kernel.org, wad@chromium.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-um@lists.infradead.org, geert@linux-m68k.org, daniel@thingy.jp Date: Mon, 28 Sep 2026 14:32:50 +0200 In-Reply-To: References: <20260926010819.604346-1-thehajime@gmail.com> <20260926010819.604346-3-thehajime@gmail.com> <04259a99ed91f8a527b255951a6f626310728170.camel@sipsolutions.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.60.2 (3.60.2-2.fc44) MIME-Version: 1.0 X-malware-bazaar: not-scanned X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: DB0E580008 X-Rspam-User: X-Stat-Signature: i7mpym4rkiu3c58e5fgwce1ftmapxwde X-HE-Tag: 1790598776-749592 X-HE-Meta: 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 Fql3dJGb 0rQsAFBkm22jJ18ZDgxZh4ywWkZ6LEZzKQ+fp7EgVxDSQvC/XRxMLk43o3qbTMDVWTVFMfpXCCDk5zJHDPsP7A3Wb4MxqqXQ+LIT4lGDlVx65uliDyWu0vqsT6i14rB7mqdtcEdAmiYuX3/7zALQbYBKtT+J6VKv9ZZatCT2wXMgBrKpZvsEZCzfAoYJJdYNGGY83Z5iDvakmJEUNbohTApsmi1XjAfxy6nc60OzIPEkUc3DcGV0QIgfQ1iPe2RD/VXfI Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 2026-09-28 at 12:00 +0100, Lorenzo Stoakes (ARM) wrote: > > Not sure where this should be merged? I guess selftests would make most > > sense, but you can't actually test it out before the UML nommu changes, > > so that doesn't work too well right now? >=20 > I seem to recall Hajime saying he tested this on an actual nommu > device/virtualised equivalent so nommu UML isn't strictly necessary (thou= gh very > nice to have!) Oh, I don't recall, but I guess that's plausibe. > I think I saw something fly by that implied it might be coming in 7.4 is = that > so? :) I did end up merging just about everything that was pending for uml/next, so if we don't forget to send a pull request in the merge window, or something equally catastrophic happens, yes ;-) Sorry for the delay. The onslaught of LLMs means priority is elsewhere, sadly. johannes