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charset=us-ascii Content-Disposition: inline In-Reply-To: <20240626024924.1155558-3-ranxiaokai627@163.com> X-Stat-Signature: zmsfbcufuuomdfykmz9ohxqk8hzsswhd X-Rspamd-Queue-Id: 336FB40010 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1719418984-84610 X-HE-Meta: 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 O2nxQR+X ZXxAGAsTP4JK33OZhNNa6IkSdK8UoavDEieyAYCKwvZnry7wH9/1UtzQ27FjqH0OLfOJv1gIFHdZgHZkaDx6R1jbVdZ+HGIzR1unwuR4xIchARhfkHZ333fB25u6wj6QxTK1IJ4GZoQy9IDsvEQPWBtjV9wZixprpUCUnOeFZe4w8RiFRdupUO5FaZC25ztsVKC/iPJGZ6rU7BtOjGQ1BzFEZZ8YX58m6jp+WNbTJnY5Hu9hEcjL8ZMcmgBERFjiP/uhKFP9ZhMaiWpgbUP71lgmC/ytdUUYIV6q1VXT+VH7XE5MFc15gQow/Iq2+qWmKp0Tk+6DjDLCvLoAWtGDjtBjBl29Q87FOjCUzKG/VVAeTIssfBO8i0Fy5xdsP7A5veZV/GcrKNngvk1lk+m8DYKdqnqw8Wp97fekMlLM05srbGFX98X/1IJj2n7YP5czPJMLI2uGl9dgv4I7X14yLw6/TnhRWD5PJfsxA 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 ran, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.10-rc5 next-20240625] [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/ran-xiaokai/mm-Constify-folio_order-folio_test_pmd_mappable/20240626-113027 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240626024924.1155558-3-ranxiaokai627%40163.com patch subject: [PATCH 2/2] kpageflags: fix wrong KPF_THP on non-pmd-mappable compound pages config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20240626/202406262300.iAURISyJ-lkp@intel.com/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240626/202406262300.iAURISyJ-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/202406262300.iAURISyJ-lkp@intel.com/ All errors (new ones prefixed by >>): >> fs/proc/page.c:151:35: error: passing 'const struct folio *' to parameter of type 'struct folio *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] 151 | else if (folio_test_pmd_mappable(folio)) { | ^~~~~ include/linux/huge_mm.h:438:58: note: passing argument to parameter 'folio' here 438 | static inline bool folio_test_pmd_mappable(struct folio *folio) | ^ 1 error generated. vim +151 fs/proc/page.c 108 109 u64 stable_page_flags(const struct page *page) 110 { 111 const struct folio *folio; 112 unsigned long k; 113 unsigned long mapping; 114 bool is_anon; 115 u64 u = 0; 116 117 /* 118 * pseudo flag: KPF_NOPAGE 119 * it differentiates a memory hole from a page with no flags 120 */ 121 if (!page) 122 return 1 << KPF_NOPAGE; 123 folio = page_folio(page); 124 125 k = folio->flags; 126 mapping = (unsigned long)folio->mapping; 127 is_anon = mapping & PAGE_MAPPING_ANON; 128 129 /* 130 * pseudo flags for the well known (anonymous) memory mapped pages 131 */ 132 if (page_mapped(page)) 133 u |= 1 << KPF_MMAP; 134 if (is_anon) { 135 u |= 1 << KPF_ANON; 136 if (mapping & PAGE_MAPPING_KSM) 137 u |= 1 << KPF_KSM; 138 } 139 140 /* 141 * compound pages: export both head/tail info 142 * they together define a compound page's start/end pos and order 143 */ 144 if (page == &folio->page) 145 u |= kpf_copy_bit(k, KPF_COMPOUND_HEAD, PG_head); 146 else 147 u |= 1 << KPF_COMPOUND_TAIL; 148 149 if (folio_test_hugetlb(folio)) 150 u |= 1 << KPF_HUGE; > 151 else if (folio_test_pmd_mappable(folio)) { 152 u |= 1 << KPF_THP; 153 if (is_huge_zero_folio(folio)) 154 u |= 1 << KPF_ZERO_PAGE; 155 } else if (is_zero_pfn(page_to_pfn(page))) 156 u |= 1 << KPF_ZERO_PAGE; 157 158 /* 159 * Caveats on high order pages: PG_buddy and PG_slab will only be set 160 * on the head page. 161 */ 162 if (PageBuddy(page)) 163 u |= 1 << KPF_BUDDY; 164 else if (page_count(page) == 0 && is_free_buddy_page(page)) 165 u |= 1 << KPF_BUDDY; 166 167 if (PageOffline(page)) 168 u |= 1 << KPF_OFFLINE; 169 if (PageTable(page)) 170 u |= 1 << KPF_PGTABLE; 171 if (folio_test_slab(folio)) 172 u |= 1 << KPF_SLAB; 173 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki