Hi Gang, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on hnaz-mm/master] [also build test WARNING on linux/master linus/master v5.16-rc2 next-20211125] [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] url: https://github.com/0day-ci/linux/commits/Gang-Li/shmem-change-shrinklist_lock-form-spinlock-to-mutex-and-move-iput-into-it/20211122-144228 base: https://github.com/hnaz/linux-mm master config: i386-randconfig-m021-20211124 (https://download.01.org/0day-ci/archive/20211126/202111260701.YxF96BC5-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> smatch warnings: mm/shmem.c:1139 shmem_evict_inode() warn: inconsistent indenting vim +1139 mm/shmem.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 1127 1f895f75dc0881 Al Viro 2010-06-05 1128 static void shmem_evict_inode(struct inode *inode) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1129 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1130 struct shmem_inode_info *info = SHMEM_I(inode); 779750d20b93bb Kirill A. Shutemov 2016-07-26 1131 struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1132 30e6a51dbb0594 Hui Su 2020-12-14 1133 if (shmem_mapping(inode->i_mapping)) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1134 shmem_unacct_size(info->flags, inode->i_size); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1135 inode->i_size = 0; 3889e6e76f66b7 Nicholas Piggin 2010-05-27 1136 shmem_truncate_range(inode, 0, (loff_t)-1); 779750d20b93bb Kirill A. Shutemov 2016-07-26 1137 if (!list_empty(&info->shrinklist)) { 713e6a98816b68 Gang Li 2021-11-22 1138 mutex_lock(&sbinfo->shrinklist_mutex); 779750d20b93bb Kirill A. Shutemov 2016-07-26 @1139 if (!list_empty(&info->shrinklist)) { 779750d20b93bb Kirill A. Shutemov 2016-07-26 1140 list_del_init(&info->shrinklist); 779750d20b93bb Kirill A. Shutemov 2016-07-26 1141 sbinfo->shrinklist_len--; 779750d20b93bb Kirill A. Shutemov 2016-07-26 1142 } 713e6a98816b68 Gang Li 2021-11-22 1143 mutex_unlock(&sbinfo->shrinklist_mutex); 779750d20b93bb Kirill A. Shutemov 2016-07-26 1144 } af53d3e9e04024 Hugh Dickins 2019-04-18 1145 while (!list_empty(&info->swaplist)) { af53d3e9e04024 Hugh Dickins 2019-04-18 1146 /* Wait while shmem_unuse() is scanning this inode... */ af53d3e9e04024 Hugh Dickins 2019-04-18 1147 wait_var_event(&info->stop_eviction, af53d3e9e04024 Hugh Dickins 2019-04-18 1148 !atomic_read(&info->stop_eviction)); cb5f7b9a47963d Hugh Dickins 2008-02-04 1149 mutex_lock(&shmem_swaplist_mutex); af53d3e9e04024 Hugh Dickins 2019-04-18 1150 /* ...but beware of the race if we peeked too early */ af53d3e9e04024 Hugh Dickins 2019-04-18 1151 if (!atomic_read(&info->stop_eviction)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1152 list_del_init(&info->swaplist); cb5f7b9a47963d Hugh Dickins 2008-02-04 1153 mutex_unlock(&shmem_swaplist_mutex); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1154 } 3ed47db34f480d Al Viro 2016-01-22 1155 } b09e0fa4b4ea66 Eric Paris 2011-05-24 1156 38f38657444d15 Aristeu Rozanski 2012-08-23 1157 simple_xattrs_free(&info->xattrs); 0f3c42f522dc1a Hugh Dickins 2012-11-16 1158 WARN_ON(inode->i_blocks); 5b04c6890f0dc7 Pavel Emelyanov 2008-02-04 1159 shmem_free_inode(inode->i_sb); dbd5768f87ff6f Jan Kara 2012-05-03 1160 clear_inode(inode); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1161 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1162 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
