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Thu, 26 Feb 2026 08:21:26 -0800 (PST) From: Mikhail Gavrilov To: harry.yoo@oracle.com Cc: chris.bainbridge@gmail.com, vbabka@suse.cz, surenb@google.com, dsterba@suse.cz, hao.li@linux.dev, leitao@debian.org, Liam.Howlett@oracle.com, zhao1.liu@intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-btrfs@vger.kernel.org, regressions@lists.linux.dev, Mikhail Gavrilov Subject: Re: [REGRESSION] kswapd0: page allocation failure (bisected to "slab: add sheaves to most caches") Date: Thu, 26 Feb 2026 21:20:52 +0500 Message-ID: <20260226162052.36121-1-mikhail.v.gavrilov@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On Wed, Feb 25, 2026, Harry Yoo wrote: > Slab fix is submitted here, please feel free to test: > > https://lore.kernel.org/linux-mm/20260223133322.16705-1-harry.yoo@oracle.com No page allocation failures after 33 hours of uptime under normal desktop workload with memory pressure (64GB RAM, btrfs + zram swap, Chrome with many tabs, AMD GPU). Previously without this patch, I was seeing failures from both kswapd0/btrfs and chrome/amdgpu callers within 10 hours. Kernel: 7.0.0-rc1 (commit 7dff99b35460 + this patch) Hardware: ASUS ROG STRIX B650E-I, AMD Ryzen, 64GB RAM Tested-by: Mikhail Gavrilov