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X-CSE-ConnectionGUID: sNP/egWwS4ClvsTJBLppeA== X-CSE-MsgGUID: uY5D3rBPQ56I3oZOOaPjEA== X-IronPort-AV: E=McAfee;i="6800,10657,11568"; a="72907813" X-IronPort-AV: E=Sophos;i="6.18,304,1751266800"; d="scan'208";a="72907813" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2025 04:07:09 -0700 X-CSE-ConnectionGUID: MY9ov9QwQ5GXH8kC6Jesqg== X-CSE-MsgGUID: HZtVzlPZRheexbv1wLS3bA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,304,1751266800"; d="scan'208";a="177763539" Received: from lkp-server01.sh.intel.com (HELO 2f2a1232a4e4) ([10.239.97.150]) by orviesa010.jf.intel.com with ESMTP; 30 Sep 2025 04:07:01 -0700 Received: from kbuild by 2f2a1232a4e4 with local (Exim 4.96) (envelope-from ) id 1v3YCB-0001CR-16; Tue, 30 Sep 2025 11:06:59 +0000 Date: Tue, 30 Sep 2025 19:06:41 +0800 From: kernel test robot To: =?iso-8859-1?Q?Lo=EFc?= Molinari , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Boris Brezillon , Rob Herring , Steven Price , Liviu Dudau , Melissa Wen , =?iso-8859-1?Q?Ma=EDra?= Canal , Hugh Dickins , Baolin Wang , Andrew Morton , Al Viro , =?utf-8?Q?Miko=C5=82aj?= Wasiak , Christian Brauner , Nitin Gote , Andi Shyti Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, kernel@collabora.com Subject: Re: [PATCH 4/8] drm/i915: Use huge tmpfs mount point helpers Message-ID: <202509301837.pQ2TiJkx-lkp@intel.com> References: <20250929200316.18417-5-loic.molinari@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250929200316.18417-5-loic.molinari@collabora.com> X-Rspamd-Queue-Id: 29CA518000C X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: wtfqsfot4t8cmaunr3zethix3euftzjd X-HE-Tag: 1759230429-196998 X-HE-Meta: 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 aefxZQo6 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 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 Loïc, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [cannot apply to akpm-mm/mm-everything linus/master v6.17 next-20250929] [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/Lo-c-Molinari/drm-shmem-helper-Add-huge-page-fault-handler/20250930-040600 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20250929200316.18417-5-loic.molinari%40collabora.com patch subject: [PATCH 4/8] drm/i915: Use huge tmpfs mount point helpers config: i386-randconfig-013-20250930 (https://download.01.org/0day-ci/archive/20250930/202509301837.pQ2TiJkx-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250930/202509301837.pQ2TiJkx-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/202509301837.pQ2TiJkx-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/gpu/drm/i915/gem/i915_gemfs.c: In function 'i915_gemfs_init': >> drivers/gpu/drm/i915/gem/i915_gemfs.c:29:17: error: implicit declaration of function 'drm_gem_shmem_huge_mnt_create' [-Wimplicit-function-declaration] 29 | gemfs = drm_gem_shmem_huge_mnt_create("within_size"); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/i915/gem/i915_gemfs.c:29:15: error: assignment to 'struct vfsmount *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 29 | gemfs = drm_gem_shmem_huge_mnt_create("within_size"); | ^ drivers/gpu/drm/i915/gem/i915_gemfs.c: In function 'i915_gemfs_fini': >> drivers/gpu/drm/i915/gem/i915_gemfs.c:46:9: error: implicit declaration of function 'drm_gem_shmem_huge_mnt_free' [-Wimplicit-function-declaration] 46 | drm_gem_shmem_huge_mnt_free(i915->mm.gemfs); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/drm_gem_shmem_huge_mnt_create +29 drivers/gpu/drm/i915/gem/i915_gemfs.c 9 10 void i915_gemfs_init(struct drm_i915_private *i915) 11 { 12 struct vfsmount *gemfs; 13 14 /* 15 * By creating our own shmemfs mountpoint, we can pass in 16 * mount flags that better match our usecase. 17 * 18 * One example, although it is probably better with a per-file 19 * control, is selecting huge page allocations ("huge=within_size"). 20 * However, we only do so on platforms which benefit from it, or to 21 * offset the overhead of iommu lookups, where with latter it is a net 22 * win even on platforms which would otherwise see some performance 23 * regressions such a slow reads issue on Broadwell and Skylake. 24 */ 25 26 if (GRAPHICS_VER(i915) < 11 && !i915_vtd_active(i915)) 27 return; 28 > 29 gemfs = drm_gem_shmem_huge_mnt_create("within_size"); 30 if (IS_ERR(gemfs)) 31 goto err; 32 33 i915->mm.gemfs = gemfs; 34 drm_info(&i915->drm, "Using Transparent Hugepages\n"); 35 return; 36 37 err: 38 drm_notice(&i915->drm, 39 "Transparent Hugepage support is recommended for optimal performance%s\n", 40 GRAPHICS_VER(i915) >= 11 ? " on this platform!" : 41 " when IOMMU is enabled!"); 42 } 43 44 void i915_gemfs_fini(struct drm_i915_private *i915) 45 { > 46 drm_gem_shmem_huge_mnt_free(i915->mm.gemfs); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki