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b=vp+ALyC56nzllPrgzXfRXsWVRuz1Hkly7/JrAz78nUmXxa+gsthLlzPMZwReIGryq yHxlF/tIP32eXrnrGJIzafqhkOAaWT+OtJOFAzan3Ceqqgn1JkT32LnSSEU3xXo+Ja VHERZ2y1bxY+tRLIzx9SrZArKRPmi7gK7mHdrYLI= Date: Sun, 9 Jun 2024 13:53:52 -0700 From: Andrew Morton To: Dan Carpenter Cc: oe-kbuild@lists.linux.dev, Kefeng Wang , lkp@intel.com, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , ying.huang@intel.com, Baolin Wang , David Hildenbrand , John Hubbard , Mel Gorman , Ryan Roberts , liushixin2@huawei.com Subject: Re: [PATCH] mm: fix possible OOB in numa_rebuild_large_mapping() Message-Id: <20240609135352.6e2c1b9e1d0605079ecb142e@linux-foundation.org> In-Reply-To: <100add53-aa58-44ce-a15d-8438001fb2b9@moroto.mountain> References: <20240607103241.1298388-1-wangkefeng.wang@huawei.com> <100add53-aa58-44ce-a15d-8438001fb2b9@moroto.mountain> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 70A34120010 X-Stat-Signature: 5keszr41oci9cz5zohy86akg39fjuw56 X-Rspam-User: X-HE-Tag: 1717966437-553861 X-HE-Meta: U2FsdGVkX1+a22Ef5+elykJ15rZ3aEWlA0GE1e3YvSjg/bEb1j7e+xLSSiULeMmmi3kNR0Zh5AuLsyisXYj7wZVTXFdxylByG08MzxEjOppEz+Yo2/MGRPX7MQTzERzJGOv8xGd59r+kx2A3XnRcv8fDMDos02p5ILCHT4WkFF9tG467Lhlf5jDxdndBrw6l9ujOHk3i9V2VZxT/va1zVwrO1gVZG0eQRFP/Tv1SvgmAQs4r1fbmPHg3sr6oMaBnEMRiGshu5FPgbRkSFj6cDw3iE+5bUB2cCJ8uuP7LwhILP98Olz4FEZdQ/QCA8VPyhe9YWUIlHMVS5V4jkk/cIGLLPpOA0wsB5wuhUJQk5PcDEnwJFSj84g0Y4otycfT/15qziJ1OJLC+TKtGy9cxUsdryujLMhbtHv3mycYUlSyDFKLa6ok9qICqRzc5mmrM4eE2/lUro1CxVzNUvAwZRv4X/FPHS2FDt4LjjfWTIcsH+Fh2g5fX23FCWgu3v1nlaEmXb/mOYqzlUMVN8n6nH+TXLfG4zN8wG1wx3GYU8tHEFj4qcVu4vOp9w83r4obdjUEUI1ckorfUf5y+m21HKRXAuRQmal1FkWYgGslA8OOFBH0/V/fMrIpdQG0m/9cjau5uNB+Ua7QbG3SuauGdHryREq3JMeyyi39LTL+d3ifhDJvmYCceYkRE3TcP45/FLR66uOJyD3BJo+ejj1LKfscXI6iXuTdUSLjCISQYEojNfpyqZvpftdsNzxs0DHK48mzHRWyS9AJ0IHCoFwC1IWQj5sO5hLmIfZ039UGZz1My1WFGt8CLWJeKcWpggNC21yZ200wTPffeJ81dTgxxbKts377JQ7jdi39OyJy+GXQW6wpm8F0PDYg6sP4DzXwzIqNE5+ZedfPNdGxOwrjbBy14XGLa/ujc5ZQTgDHKpSfMB9prnZbmN4XKOjpyMuzQqlgFydMUoGkluMpT3cv qkFeOJTt 8hR+to+EjtAsAQjdZkP9M6Fkf3G3FJMoYQnd93m5nnAymrY9da2pf4w4UYRxK2tkaOK9Vu9TNTKEXBc0RrznOv7bp47HW+u4obeqW9yhY64cX7jBc8e/TS3QlpSWgbZ+hwj7UaTdktBSDG0uejffnYv1vkiXEtMtTyxeqRkUo9tPB7l9+PJeKkU8dnXRJ/TxcMfa6n0iR+bBtX5CvW02sk7SUY4nmER3K6J9de+RXinW/BWpviDQpAenybE69TEifkxqSxvHg8baK4RB0xOQZwHW3SeAHKmjyh1hvw7SbyuNqiwLOAUyfESgR3RA99fwytfh5F8/DeOKuidc= 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 Sun, 9 Jun 2024 19:03:50 +0300 Dan Carpenter wrote: > Hi Kefeng, > > kernel test robot noticed the following build warnings: > > smatch warnings: > mm/memory.c:5370 do_numa_page() error: uninitialized symbol 'nr_pages'. > Yes, thanks, I dropped this version of the patch.