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([2001:1a48:8:903:1ed6:4f73:ce38:f9d4]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4399c76b20bsm596856f8f.35.2026.02.26.08.31.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 26 Feb 2026 08:31:01 -0800 (PST) Message-ID: <64604c7e-5db9-49b9-b576-bbc627c8ddd1@suse.com> Date: Thu, 26 Feb 2026 17:31:01 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [REGRESSION] kswapd0: page allocation failure (bisected to "slab: add sheaves to most caches") Content-Language: en-US To: Mikhail Gavrilov , 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 References: <20260226162052.36121-1-mikhail.v.gavrilov@gmail.com> From: Vlastimil Babka In-Reply-To: <20260226162052.36121-1-mikhail.v.gavrilov@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/26/26 17:20, Mikhail Gavrilov wrote: > 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 Thanks, added to the commit.