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Peter Anvin" , Andy Lutomirski , Rob Herring , Steven Rostedt , Andrew Morton , Mark Rutland , Tom Lendacky , Ashish Kalra , James Gowans , Stanislav Kinsburskii , arnd@arndb.de, pbonzini@redhat.com, madvenka@linux.microsoft.com, Anthony Yznaga , Usama Arif , David Woodhouse , Benjamin Herrenschmidt Subject: Re: [PATCH 02/15] memblock: Declare scratch memory as CMA Message-ID: <202312131930.gMiphjju-lkp@intel.com> References: <20231213000452.88295-3-graf@amazon.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231213000452.88295-3-graf@amazon.com> X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: F245420017 X-Stat-Signature: nqx84w33goopkcehy1upra9ztm61c8mn X-HE-Tag: 1702467193-139141 X-HE-Meta: U2FsdGVkX1/Tto05KbSEEjgGWqhifSgnek1vUP54AW7ZlEpJTtbiOviO04ivk/3OEbTDYGMBVbqL+Revzdv9N8eontSmEhsZifzM+1FRiSZ7d1Iu0BbYVnUOZ/r9YmUroZgBHYEIXnl8NT6Hy0aNrCuUabelrvbDwY55UASf+O61snIaQXobSGCUfcHepsCv9TUVACq2426UdLrBxQ9R5GNn2TEGDVPVPIrus/YbbvXoII5txfeqQaw5pxwI/wD/NRs4qf1OJyp+gFoFrehV4s5UAarj+yfz8Yh3iG9I4GHuBAfsgz9PAzhA0/D2AgY2cFZBbZCoYMINsgW0R2AI4FCwARfzjOmp7kOE816YU2D/8yiogHRW2AnU6SRnYe/Wk+jQpiWztw0DjLuYph4FmkFmlxlOKK1rwuWovjkhZAVbibZHkgmrwPnvJxfQ197BNIOxHN0KwGiRe1H1TXJ6qU2HYxCTyIMK8ZsITWpAetRMCiqa9u8PijnLVCQST1WI51uBxKe9Yp5UjdsziGBKWUMMv0NBeCr57d4LZtKDlPQJgCDzFbiqWR+ZEtZ5PQFuw4L3Q0SpstKZ/CizW7SztO1RGW5/jgVk6VaSJOw1plgkrqaVVH2v/zAVikA8gKXFpWxPm5XHE3OQNlth5R/V32pjOoI2S8Gq4af5HYETd8qbIfe97smLD7c6Cpeju0H1wU+JDoXsUOzYfpyzckTLYi3qCAqjQaPxpwYVEXjt3hwp/DkocOvT2r98Mj5+o4O1SyzQ88LHQWZ5IrUmtVRL9mRDVsyGwiPkdq3kdQ34COZyYL/y6w0y+go/NQsll7w7Ngzk6xxmeE9PLPt/6eEpPAcvZNSCOC6HYyOCtBfLWEevNmsUG7WhQbipblVKtIy3pfUPKQay664tGQ83f14IGbUp8YsyDQ7cFo2pJXTxSQIdcb38tOoNOEf7/yJSFNwT4/wUIGLy3bAY9XONOI5 CFiuf4wc OHfvX+CZhCUA/KGOFgeb7Nt/zzykkR49hfBto5sLoRs/XdYqnHMdTczG8E6yH5MOmSPy6WR5ahNPGcnK70MUdh/PlbxL+VmdNWDWQYp1+kQdYHq4v8F7f4RYSPquG1/J4PljWoYIPy65UNf2zzAS/oXJZf4fZSiJb8c6++pxA8Ig3G7zojwpFrb+U0H0BfmYlyEu22ZuQtU5osDqU1gRnucxjJwAsiOLoP+I5X8U1AFmNkl0dwjxvki+DlC90zH1IN+5ZBeYdrTf9e0yERb5k2iytLp3eWqMhg+fy3aV9HyH/ZFecXDpc0lk3DhjDsujGg+3F8zsxpZdOdfqvWlUVVWMzWuTX4Hh1ZgZnsYZ1hG0rTC3UKKFqurV5elYOh/w/rs2jMbV2iUhG45kU/XRe7HvAFdxsyuxkh8PlI4iKwgBdHxb1gwEr4zw0HRxKPDmrpmYKtixf7i6cGTlxfFmTstj3UA== 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: Hi Alexander, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/x86/core] [also build test WARNING on arm64/for-next/core akpm-mm/mm-everything linus/master v6.7-rc5 next-20231213] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Alexander-Graf/mm-memblock-Add-support-for-scratch-memory/20231213-080941 base: tip/x86/core patch link: https://lore.kernel.org/r/20231213000452.88295-3-graf%40amazon.com patch subject: [PATCH 02/15] memblock: Declare scratch memory as CMA config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20231213/202312131930.gMiphjju-lkp@intel.com/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231213/202312131930.gMiphjju-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202312131930.gMiphjju-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/memblock.c:2153:13: warning: 'reserve_scratch_mem' defined but not used [-Wunused-function] 2153 | static void reserve_scratch_mem(phys_addr_t start, phys_addr_t end) | ^~~~~~~~~~~~~~~~~~~ vim +/reserve_scratch_mem +2153 mm/memblock.c 2152 > 2153 static void reserve_scratch_mem(phys_addr_t start, phys_addr_t end) 2154 { 2155 #ifdef CONFIG_MEMBLOCK_SCRATCH 2156 ulong start_pfn = pageblock_start_pfn(PFN_DOWN(start)); 2157 ulong end_pfn = pageblock_align(PFN_UP(end)); 2158 ulong pfn; 2159 2160 for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) { 2161 /* Mark as CMA to prevent kernel allocations in it */ 2162 set_pageblock_migratetype(pfn_to_page(pfn), MIGRATE_CMA); 2163 } 2164 #endif 2165 } 2166 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki