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X-CSE-ConnectionGUID: aKzf9DdkQdKx2Vbo/5Pzsg== X-CSE-MsgGUID: SIx1Ef3iSCGiWDlUlEfr0g== X-IronPort-AV: E=McAfee;i="6700,10204,11333"; a="42723598" X-IronPort-AV: E=Sophos;i="6.13,252,1732608000"; d="scan'208";a="42723598" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2025 08:17:32 -0800 X-CSE-ConnectionGUID: C6h05ZtTS860dYDHB2Y+oA== X-CSE-MsgGUID: XPkpRMuOShSvNJZbwP3m1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,252,1732608000"; d="scan'208";a="110460086" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 01 Feb 2025 08:17:30 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1teGBU-000oKl-2N; Sat, 01 Feb 2025 16:17:28 +0000 Date: Sun, 2 Feb 2025 00:16:55 +0800 From: kernel test robot To: Lorenzo Stoakes Cc: oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List Subject: [akpm-mm:mm-unstable 75/80] drivers/video/fbdev/core/fb_defio.c:272:17: error: implicit declaration of function 'mapping_wrprotect_page' Message-ID: <202502020030.MnEJ847Z-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: A7FBC100012 X-Stat-Signature: yxg96oqu53j9e3mang8yihmkw7cf1xwf X-HE-Tag: 1738426653-370625 X-HE-Meta: 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 ZfQjUNyh H/7C6vYqZOdFBRvPx33Jf/sx9Sk+lZVZz7Rv4LXcqS9qESL62zlmBSGjYgdA17RbMCsZGYIsFcmFJ6jMg2hBAn3zTnc6oJjB88Yhz4j67IFC0UtpDMYMoi5Axe+gXg+QbEjEuiuLQ8U+KgIHLYrKuQMqjEXdfnaLt+CeVRfW4zBXa3Zf6J7ZtwfqpptlHz+qEJaD0pPcMfQTS1LNpB4PhO1ovn4HBOl9SaJTyz0WNxs8DxlVZs2VPRdPzduVYL9er79zXVginBi3dClQvgIufUT4pEqRWkmhIJbNY4qSifUoHslTb1jRCnHPSsw5zeRpIUAjRDN7ZUaN5677o98YHZ8WrL5wZoC5Cg/jNlEIdcmXWuxJqUC5VAKpUhQ== 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 Lorenzo, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 7de6fd8ab65003f050aa58e705592745717ed318 commit: 6a9318f28d7e371692838677c364145fe04b1093 [75/80] fb_defio: do not use deprecated page->mapping, index fields config: sh-randconfig-002-20250201 (https://download.01.org/0day-ci/archive/20250202/202502020030.MnEJ847Z-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250202/202502020030.MnEJ847Z-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/202502020030.MnEJ847Z-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/video/fbdev/core/fb_defio.c: In function 'fb_deferred_io_work': >> drivers/video/fbdev/core/fb_defio.c:272:17: error: implicit declaration of function 'mapping_wrprotect_page' [-Wimplicit-function-declaration] 272 | mapping_wrprotect_page(fbdefio->mapping, pgoff, 1, page); | ^~~~~~~~~~~~~~~~~~~~~~ vim +/mapping_wrprotect_page +272 drivers/video/fbdev/core/fb_defio.c 258 259 /* workqueue callback */ 260 static void fb_deferred_io_work(struct work_struct *work) 261 { 262 struct fb_info *info = container_of(work, struct fb_info, deferred_work.work); 263 struct fb_deferred_io_pageref *pageref, *next; 264 struct fb_deferred_io *fbdefio = info->fbdefio; 265 266 /* here we wrprotect the page's mappings, then do all deferred IO. */ 267 mutex_lock(&fbdefio->lock); 268 list_for_each_entry(pageref, &fbdefio->pagereflist, list) { 269 struct page *page = pageref->page; 270 pgoff_t pgoff = pageref->offset >> PAGE_SHIFT; 271 > 272 mapping_wrprotect_page(fbdefio->mapping, pgoff, 1, page); 273 } 274 275 /* driver's callback with pagereflist */ 276 fbdefio->deferred_io(info, &fbdefio->pagereflist); 277 278 /* clear the list */ 279 list_for_each_entry_safe(pageref, next, &fbdefio->pagereflist, list) 280 fb_deferred_io_pageref_put(pageref, info); 281 282 mutex_unlock(&fbdefio->lock); 283 } 284 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki