linux-kernel - [csky-linux:riscv_compat_v2_sv48_v3_mmind_pbmt 31/44] kernel/locking/locktorture.c:918:39: error: use of undeclared identifier '_PAGE

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Date:   Wed, 19 Jan 2022 01:50:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>
Subject: [csky-linux:riscv_compat_v2_sv48_v3_mmind_pbmt 31/44]
 kernel/locking/locktorture.c:918:39: error: use of undeclared identifier
 '_PAGE_MTMASK'

tree:   https://github.com/c-sky/csky-linux riscv_compat_v2_sv48_v3_mmind_pbmt
head:   b28a50c03a72c48d3895320bdd0757e0a8acb881
commit: a8a0c8f014166b1e95e223240632fd0baac50ea7 [31/44] hack in a debug output in freeinitmem
config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220119/202201190125.dGN7taEZ-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c10cbb243cafc0cf42c3e922cb29183279444432)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/c-sky/csky-linux/commit/a8a0c8f014166b1e95e223240632fd0baac50ea7
        git remote add csky-linux https://github.com/c-sky/csky-linux
        git fetch --no-tags csky-linux riscv_compat_v2_sv48_v3_mmind_pbmt
        git checkout a8a0c8f014166b1e95e223240632fd0baac50ea7
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/locking/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> kernel/locking/locktorture.c:918:39: error: use of undeclared identifier '_PAGE_MTMASK'
   printk("%s: -----> %llx\n", __func__, _PAGE_MTMASK);
                                         ^
   1 error generated.


vim +/_PAGE_MTMASK +918 kernel/locking/locktorture.c

   899	
   900	static int __init lock_torture_init(void)
   901	{
   902		int i, j;
   903		int firsterr = 0;
   904		static struct lock_torture_ops *torture_ops[] = {
   905			&lock_busted_ops,
   906			&spin_lock_ops, &spin_lock_irq_ops,
   907			&rw_lock_ops, &rw_lock_irq_ops,
   908			&mutex_lock_ops,
   909			&ww_mutex_lock_ops,
   910	#ifdef CONFIG_RT_MUTEXES
   911			&rtmutex_lock_ops,
   912	#endif
   913			&rwsem_lock_ops,
   914			&percpu_rwsem_lock_ops,
   915		};
   916	
   917	
 > 918	printk("%s: -----> %llx\n", __func__, _PAGE_MTMASK);
   919	
   920	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org