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Howlett" , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region() Date: Thu, 3 Oct 2024 00:57:20 +0200 Message-ID: <20241002225722.3746-1-spasswolf@web.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: 20241002215808.5475-1-spasswolf@web.de> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:dcVF57nzmWjv9Kqavfj3Y87JdJ1oZOuf/cHghXf4g0NowELCMbU jqz97cwAqPSLqhh/s2yW24UmYUEy0lwZgVYt+ojKUEvuK5ZyvRDRsihOYn5temfNPCNF86t xRgSKyXVrfFbZk/oev+hbd2dLCI5OucbWJRFR+2hqFYeP/V0yuO+oR8LyrI09uWtdEElIY9 tWnDNZSaTbYL/N/SITY1A== UI-OutboundReport: notjunk:1;M01:P0:hlQOM40TuE8=;Bihb255ISJTyIiQH3W7mKk0/Q6O SpUSd4J0SE+usEC15yDfmX/DvOLf2NpwJf/G9fC2P3ZnlL2yFs29CHbfeCrrSwI3XYeVgoepF 6S21Ukfb6TlJa4mkurKj6S9fg48IhrGX+e1K8ZfVGSLIwKX0QHDTxxyBSdno7fLeYmFA8WW9T 6QCPKyDdXVcUGAVEDGEidgzQUln0PFKzuvhM+C72Wfx5kHXsGezRNJHxnsul6yzCiiPENC2b5 GDl6tcJPFTYW2JUjBspSG/FwaHdxCI/knx3Da15+JzEWsEU7exW6DJgkicA6ooIchGZJmclkA bKY9en3+qNuOh111zkokjFmyA8EeEq45LIq2zh482maHCanMtMwiC4Nfh4PwCI+BJT8MM2+gD 8oaz5oqIvWiiDiAApp6IO1EZLz79+EWmzpEFBEoZQMNajfabjpbdFz1aonxrjk+Vb51bq1rce GOeWrTF9Z4l149NQx8TO3SRihsrm1cU0dAARWVW1XSTnTY2agv9RBVMVGYe75FLwqQT5qeC9g e9jNVWZV2owgGT7HMspv7QWcBkzPCR4LSXwBpiAXvThiIiYnc3s2xNULMCF/xPkUuRm6cGw3N wg35ZbWjRwk9Zcs6jtuyxULWft9c8oUcCVjxGl9VH5ZqvdqUPjG4Bf0EiBJFgXoi4ceuiRP7e 4eK+s04AGr7XrhumBZ5+syqnFw4zcGaB0q2n4BWgR8yxGnTYzlj7IrFtZWm5WjUJjl3FZNoRC TfTS6ps5BTCv6IwKlfXBoNA8CM5Ci4QEWg7xNuuwgPzMJ96ITnQwqQmQEqh34SZrWL0ZxTu7g idSk2fpwgIIO6e2Y+nU2zHzQ== X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 2468014000A X-Stat-Signature: kp1d97caxhcpummujawpcrz45bt4jzzm X-Rspam-User: X-HE-Tag: 1727909847-532939 X-HE-Meta: U2FsdGVkX19oa22Dg0Ah7JfVOt0F41MuOwaBEMUdkc345Flc6wF/XDHuOD/r4efrxil1KfQ9YUlOMPJvj028qu3gQpCHeCjxZ2ZxEsyXgrMDyhJlz15ENMwYbNas3+qNbG8XsCRaq1a1oJ842Zpb6LlkSa01oOVp8hR3tiFZZQohSMD/52uw6eUZfbl5K7tjPisnomPcQKOEUNFlie58rClNqGojJlG1hRgsAzmkZZXwSy/Y95AVgA65kBtbalBFJwD7q1qnGNb2V1CDxSwxGAXG0Ihd45Io9yBnKonCn1NrFFGWiM9Zp24XkReGafN9y78UiUtcQaVstuhGb87/0cuK7eGrpUbxFU0hSeDAVT4o6/Q8Wv/izB7Bp2aRA7gH4YIapCS8TbHWOslfpOc3wiKFgHyxcnztxkpK5acBixnVmE3tv7VuzLhZiMz3U3vvtnHNGtJeis/v9aKZ0M/gIILAiGWyrrHbiTxbqaPZSAAH6MrufdPTOGmMfpJ2L86yxi2g6tPQ6xXLkyx/jBtyJr+/0NDqCQfWNDQ/xXYdPCJfCEqubvflZQMp+vQPLfKmn27mjFAy61L4XRYLT0ybY3O88DAZCK10Hxm2F27hUyYxnPPuyf9tTuZf7TTXxuKr6Y2BK65JnbF6ZXVshzKuFtXNXS9D+6wexgGB+08hNTAO8qty4NLth4QmjdwuHC6Z/THINpox/9UWScDpd3O3ii95n545R75zSBiFqT0bD29HcGG8EPYSCAJs8v6I09WpCtO+HG3bZxXb3zE1nPdlviy3YxVT882vsPqH5M1vFeKBlGygCklfRzZ7n3dzCWS5rfv/q8kOQT1IzeK4C/d30NE/lAihnXNYikhq0MQYSrGoME0xqjs27Cl7HvcKAnBMQa/ti+NTmoCh4IDLaPpHkmyJvLYvXuur15d5u/yTqZQmpZT+GNR+Z5Q5FdkLfBOqyLWDm0PNc28yMNOE2S2 0VhTeppg rHzvfnMwdBOlrdZPtyq5lOwXNIcChK8lWdlmiyPtCgqFQ9lC09uFI/ZGH3Q79YDvppnki0x+EexmrDTzhEXWgJu4on8gQiuQdyyoVFLcnZafbvjg11Ck5pQfWrQjQkLm0s5tJZDlk6sUWZ/bQqktEndXaYozoNUWMuwFCW9wTGxRn8HJBZyg4hXac41hY8UISqSI7rW9cYPswiPU6Bzm/mAcBn3WUiMiCc98mss8utAGjBXv+yjwefK4dSrft3OCX3tJWA4Brt/isfT9A9mqViCs6i6gaDXI5hVe7ZbpqLWfIsst7sKn/uGZDZMHWPJxTuCR1ef+tLyRLQhKIfy0vweGo8kNqsDVDETv2KgrCaihIXxM= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000213, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: I justed tested the same kernel version with a .config which was created by copying the .config from the standard debian kernel, running "make xconfig" and saving. I got a crash here, too, but only on the second attempt (this has happend a few (~3) times before). I'm not posting the log as it got to long due to the repetion of the procedure, also a standard debian kernel does not print the thread id which I guess will make the log more confusing. Bert