From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C2371C9EAF for ; Wed, 18 Sep 2024 20:30:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726691458; cv=none; b=ffqlPfgqKH/aKNeKRg4xpV/JoVyR6fgmJlQm4+XGkjl7AdpkEOePwkYZaZEgqtlupwRmcpmyIOPn4QPg/eso2oZUYQ9j2GsLN+/e9b3gSkgmoMRv04V8DICZDSSzuMBnwrKugb1BiRdO6Cs05Kxqk1pVaM/EQNEvnxOot3ZhXHc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726691458; c=relaxed/simple; bh=v8crAcUcgAosNzF9JtGxdHujIVkHQ2sPvfBZI7YKIEI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=L3v5igz+rwJs4/v8POXCxrQY72SYVZ1fI/egGm63e62HAMG5dZEwS3EmLOyGLOsyGQ0FVRK5X4B83z+68lYGBee0kyDikgyGzmHqAq02znS4Dz2Wrfup0bdFQVJtP/vLkxCL7T2skw8u2w11RAvSRnLZnoF64Tp1UVOuE3dptSM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=nOFxpgC/; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="nOFxpgC/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1726691456; x=1758227456; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=v8crAcUcgAosNzF9JtGxdHujIVkHQ2sPvfBZI7YKIEI=; b=nOFxpgC/jgbzYFsWzmRaZsAK9M/1PV5oKFUwY+0gmpNAM0JzNSy6jqoX V5GBpdjrN6Q1t6x1xC1lG/cAzDBMU3KbhZlbzLhvQkZ7mkz7iDHGABWNW BO88xqGZQbX0nexNRCecH7MBGyO9X0Gq7EEXOf4dXt44M/OUtMHs/uwfX x6rad9t2LKFdKznSBFxvZuyb7QMfyCZwS0WP0KRC1JKnSV2p4K4b0aswk 8CHF2uZ4/Zs9J0ItSaifYevPhZT1xmbb91W2csYkMogXW4LqXnoVMh1F2 2VWZwLLfTNri0Rtrr1JEC8fq0zwox8Lo2EkQCO8LRDAO0o9su8Unw93zJ A==; X-CSE-ConnectionGUID: Rf6gOkasT0q4jV6F210W8Q== X-CSE-MsgGUID: cavL/0duTHKlpHa6b3A+Pg== X-IronPort-AV: E=McAfee;i="6700,10204,11199"; a="36211533" X-IronPort-AV: E=Sophos;i="6.10,239,1719903600"; d="scan'208";a="36211533" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2024 13:30:55 -0700 X-CSE-ConnectionGUID: G03l2KzpRg6lUZ1ybq6Pkw== X-CSE-MsgGUID: KgXze0/ERmmsxsK33VvTNA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,239,1719903600"; d="scan'208";a="107154632" Received: from lkp-server01.sh.intel.com (HELO 53e96f405c61) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 18 Sep 2024 13:30:48 -0700 Received: from kbuild by 53e96f405c61 with local (Exim 4.96) (envelope-from ) id 1sr1K1-000Cc6-1d; Wed, 18 Sep 2024 20:30:45 +0000 Date: Thu, 19 Sep 2024 04:30:20 +0800 From: kernel test robot To: Anshuman Khandual , linux-mm@kvack.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Anshuman Khandual , Andrew Morton , Linux Memory Management List , David Hildenbrand , Ryan Roberts , "Mike Rapoport (IBM)" , Arnd Bergmann , x86@kernel.org, linux-m68k@lists.linux-m68k.org, linux-fsdevel@vger.kernel.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Dimitri Sivanich , Alexander Viro , Muchun Song , Andrey Ryabinin , Miaohe Lin , Dennis Zhou , Tejun Heo , Christoph Lameter , Uladzislau Rezki , Christoph Hellwig Subject: Re: [PATCH V2 7/7] mm: Use pgdp_get() for accessing PGD entries Message-ID: <202409190310.ViHBRe12-lkp@intel.com> References: <20240917073117.1531207-8-anshuman.khandual@arm.com> Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240917073117.1531207-8-anshuman.khandual@arm.com> Hi Anshuman, kernel test robot noticed the following build errors: [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus brauner-vfs/vfs.all dennis-percpu/for-next linus/master v6.11] [cannot apply to akpm-mm/mm-everything next-20240918] [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/Anshuman-Khandual/m68k-mm-Change-pmd_val/20240917-153331 base: char-misc/char-misc-testing patch link: https://lore.kernel.org/r/20240917073117.1531207-8-anshuman.khandual%40arm.com patch subject: [PATCH V2 7/7] mm: Use pgdp_get() for accessing PGD entries config: arm-footbridge_defconfig (https://download.01.org/0day-ci/archive/20240919/202409190310.ViHBRe12-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240919/202409190310.ViHBRe12-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/202409190310.ViHBRe12-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:30: >> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/pgtable.h:1243:48: note: 'pgd' declared here 1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd) | ^ >> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/pgtable.h:1243:48: note: 'pgd' declared here 1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd) | ^ >> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/pgtable.h:1243:48: note: 'pgd' declared here 1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd) | ^ >> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/pgtable.h:1243:48: note: 'pgd' declared here 1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd) | ^ >> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/pgtable.h:1243:48: note: 'pgd' declared here 1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd) | ^ >> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/pgtable.h:1243:48: note: 'pgd' declared here 1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd) | ^ >> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/pgtable.h:1243:48: note: 'pgd' declared here 1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd) | ^ >> include/linux/pgtable.h:1245:18: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/pgtable.h:1243:48: note: 'pgd' declared here 1243 | static inline int pgd_none_or_clear_bad(pgd_t *pgd) | ^ >> include/linux/pgtable.h:1245:8: error: array initializer must be an initializer list or wide string literal 1245 | pgd_t old_pgd = pgdp_get(pgd); | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 114 | return (set1->sig[3] == set2->sig[3]) && | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 114 | return (set1->sig[3] == set2->sig[3]) && | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 115 | (set1->sig[2] == set2->sig[2]) && | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:115:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 115 | (set1->sig[2] == set2->sig[2]) && | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:157:1: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 157 | _SIG_SET_BINOP(sigorsets, _sig_or) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:138:8: note: expanded from macro '_SIG_SET_BINOP' 138 | a3 = a->sig[3]; a2 = a->sig[2]; \ | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: -- 163 | _SIG_SET_BINOP(sigandnsets, _sig_andn) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:140:3: note: expanded from macro '_SIG_SET_BINOP' 140 | r->sig[3] = op(a3, b3); \ | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:163:1: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 163 | _SIG_SET_BINOP(sigandnsets, _sig_andn) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:141:3: note: expanded from macro '_SIG_SET_BINOP' 141 | r->sig[2] = op(a2, b2); \ | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:187:1: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 187 | _SIG_SET_OP(signotset, _sig_not) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:174:27: note: expanded from macro '_SIG_SET_OP' 174 | case 4: set->sig[3] = op(set->sig[3]); \ | ^ ~ include/linux/signal.h:186:24: note: expanded from macro '_sig_not' 186 | #define _sig_not(x) (~(x)) | ^ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:187:1: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 187 | _SIG_SET_OP(signotset, _sig_not) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:174:10: note: expanded from macro '_SIG_SET_OP' 174 | case 4: set->sig[3] = op(set->sig[3]); \ | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:187:1: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 187 | _SIG_SET_OP(signotset, _sig_not) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:175:20: note: expanded from macro '_SIG_SET_OP' 175 | set->sig[2] = op(set->sig[2]); \ | ^ ~ include/linux/signal.h:186:24: note: expanded from macro '_sig_not' 186 | #define _sig_not(x) (~(x)) | ^ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:187:1: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 187 | _SIG_SET_OP(signotset, _sig_not) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:175:3: note: expanded from macro '_SIG_SET_OP' 175 | set->sig[2] = op(set->sig[2]); \ | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:2232: include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from arch/arm/kernel/asm-offsets.c:12: >> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/mm.h:2819:61: note: 'pgd' declared here 2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, | ^ >> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/mm.h:2819:61: note: 'pgd' declared here 2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, | ^ >> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/mm.h:2819:61: note: 'pgd' declared here 2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, | ^ >> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/mm.h:2819:61: note: 'pgd' declared here 2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, | ^ >> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/mm.h:2819:61: note: 'pgd' declared here 2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, | ^ >> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/mm.h:2819:61: note: 'pgd' declared here 2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, | ^ >> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/mm.h:2819:61: note: 'pgd' declared here 2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, | ^ >> include/linux/mm.h:2822:28: error: use of undeclared identifier 'pgdp'; did you mean 'pgd'? 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ^ arch/arm/include/asm/pgtable.h:154:36: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/linux/mm.h:2819:61: note: 'pgd' declared here 2819 | static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, | ^ >> include/linux/mm.h:2822:28: error: passing 'const volatile pmdval_t *' (aka 'const volatile unsigned int *') to parameter of type 'pmdval_t *' (aka 'unsigned int *') discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] 2822 | return (unlikely(pgd_none(pgdp_get(pgd))) && __p4d_alloc(mm, pgd, address)) ? | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ arch/arm/include/asm/pgtable.h:154:25: note: expanded from macro 'pgdp_get' 154 | #define pgdp_get(pgpd) READ_ONCE(*pgdp) | ^ include/asm-generic/rwonce.h:47:28: note: expanded from macro 'READ_ONCE' 47 | #define READ_ONCE(x) \ | ^ include/linux/compiler.h:77:42: note: expanded from macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/asm-generic/pgtable-nop4d.h:21:34: note: passing argument to parameter 'pgd' here 21 | static inline int pgd_none(pgd_t pgd) { return 0; } | ^ 29 warnings and 18 errors generated. make[3]: *** [scripts/Makefile.build:117: arch/arm/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1194: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:224: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:224: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +1245 include/linux/pgtable.h 1242 1243 static inline int pgd_none_or_clear_bad(pgd_t *pgd) 1244 { > 1245 pgd_t old_pgd = pgdp_get(pgd); 1246 1247 if (pgd_none(old_pgd)) 1248 return 1; 1249 if (unlikely(pgd_bad(old_pgd))) { 1250 pgd_clear_bad(pgd); 1251 return 1; 1252 } 1253 return 0; 1254 } 1255 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki