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AJvYcCXCTx1LjDCSv9MM5NxAQpyc74Fqvq/0MKpce9Tc8JzY03pUJv+PicW7XiUPnOF5F8/3jZZArB6DAg==@kvack.org X-Gm-Message-State: AOJu0YxIzEyQYYglPPLpplfq3vTnzqDzBtYU5AlnPLanHpIn7T8ySz8/ XenBLM6Zvo85AnRpruuu2Q1rnMVLWuQj00GbV/6YtQoXMOTBymKAi6iicice1tnNscSCjfncj4E vPVHvHIH1om0s8w== X-Google-Smtp-Source: AGHT+IFm5Kmha7smcDj9tIB+hArhWUM5gz1offBTp6XSE0T88cKajhMxGRylJyGmYxNi+7S5qT5lVih1B/u4Zw== X-Received: from wmsm2.prod.google.com ([2002:a05:600c:3b02:b0:477:3d56:ac34]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600d:844f:10b0:477:9d88:2da6 with SMTP id 5b1f17b1804b1-47a7f987e56mr294705e9.0.1765249005956; Mon, 08 Dec 2025 18:56:45 -0800 (PST) Date: Tue, 09 Dec 2025 02:56:45 +0000 In-Reply-To: <693691ac.a70a0220.38f243.009a.GAE@google.com> Mime-Version: 1.0 References: <20251208-b4-vmalloc-might_alloc-v1-1-94a9bb8ecb08@google.com> <693691ac.a70a0220.38f243.009a.GAE@google.com> X-Mailer: aerc 0.21.0 Message-ID: Subject: Re: [syzbot ci] Re: mm/vmalloc: clarify why vmap_range_noflush() might sleep From: Brendan Jackman To: syzbot ci , , , , , Cc: , Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: A86F1C000A X-Stat-Signature: egb1iwwrqtmddfwp5n4yx5e7tudobbg5 X-Rspam-User: X-HE-Tag: 1765249007-236657 X-HE-Meta: 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 iMyfJcBM 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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: On Mon Dec 8, 2025 at 8:51 AM UTC, syzbot ci wrote: > kernel build error > > tree: mm-new > URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/akpm/mm.git > base: 3f43be96f919cc611dcb2a4e38dd464831f4513e > arch: amd64 Um, so apparently I didn't even compile this code for x86? Sorry about this. FWIW, I do test my patches [0]! Apparently in this case I just decided to post it without actually checking the results. [0] https://github.com/bjackman/limmat-kernel-nix