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AJvYcCUA4m+RCs0EFpx2fN+Uwgn2ZhM7DDIFky79NpguvabYdnEgWO1i0de2VQuGbAXG/ghwGFEdvWaylA==@kvack.org X-Gm-Message-State: AOJu0Ywwr388nAhOkjTFjvxm31wzsEcE6TeGcuIeIMwvLlqnpMjslPmN 8m9gKY2lHqTXiDHtJtVVjSyz5ZVcSAMSfvcyRUhuSnNVsvndmyECj80EzCwTI6N0VexfgxhvxNf 38yhEXQ== X-Google-Smtp-Source: AGHT+IFfkDS+5yJa97rnpCK9X9oH9mDCgwcvJD7rMR+X3QCodaw6DtIogjSxErvfJVvIxP4SKHSMVtQ9WRc= X-Received: from ywt8.prod.google.com ([2002:a05:690c:9a08:b0:723:ac0b:257f]) (user=surenb job=prod-delivery.src-stubby-dispatcher) by 2002:a05:690e:1246:b0:62d:cb07:f098 with SMTP id 956f58d0204a3-62dcb07f103mr6632562d50.18.1757966962125; Mon, 15 Sep 2025 13:09:22 -0700 (PDT) Date: Mon, 15 Sep 2025 13:09:16 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.51.0.384.g4c02a37b29-goog Message-ID: <20250915200918.3855580-1-surenb@google.com> Subject: [PATCH 0/2] fixes for slab->obj_exts allocation failure handling From: Suren Baghdasaryan To: vbabka@suse.cz Cc: akpm@linux-foundation.org, cl@gentwo.org, rientjes@google.com, roman.gushchin@linux.dev, harry.yoo@oracle.com, shakeel.butt@linux.dev, alexei.starovoitov@gmail.com, usamaarif642@gmail.com, 00107082@163.com, souravpanda@google.com, kent.overstreet@linux.dev, surenb@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: 5uyfxeidrmbok5pwbt68nqq6u7edzdwc X-Rspam-User: X-Rspamd-Queue-Id: 47F6940004 X-Rspamd-Server: rspam10 X-HE-Tag: 1757966963-699506 X-HE-Meta: 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 nhNhR04s 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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: Fixes for several issues noticed by Shakeel pertaining to slab->obj_exts allocation failure handling in [1]. Patchset is based on mm-new. Please route it via vbabka/slab.git as it's relevant to Alexei's patches in that branch. [1] https://lore.kernel.org/all/jftidhymri2af5u3xtcqry3cfu6aqzte3uzlznhlaylgrdztsi@5vpjnzpsemf5/ Suren Baghdasaryan (2): slab: prevent warnings when slab obj_exts vector allocation fails slab: mark slab->obj_exts allocation failures unconditionally mm/slab.h | 8 ++++++-- mm/slub.c | 3 +-- 2 files changed, 7 insertions(+), 4 deletions(-) base-commit: 9a9318f95d63805868bd21e1381d68c3a75d03a7 -- 2.51.0.384.g4c02a37b29-goog