linux-kernel - Re: [PATCH 3/3] mm: shmem: move shmem_huge_global_enabled() into shmem_allowable_huge

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Message-ID: <202407121052.Jbq6PSIi-lkp@intel.com>
Date: Fri, 12 Jul 2024 11:10:59 +0800
From: kernel test robot <lkp@...el.com>
To: Baolin Wang <baolin.wang@...ux.alibaba.com>, akpm@...ux-foundation.org,
	hughd@...gle.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	willy@...radead.org, david@...hat.com, 21cnbao@...il.com,
	ryan.roberts@....com, ziy@...dia.com, ioworker0@...il.com,
	baolin.wang@...ux.alibaba.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] mm: shmem: move shmem_huge_global_enabled() into
 shmem_allowable_huge_orders()

Hi Baolin,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on next-20240711]
[cannot apply to linus/master v6.10-rc7]
[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/Baolin-Wang/mm-shmem-simplify-the-suitable-huge-orders-validation-for-tmpfs/20240711-134512
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/6e5858d345304d0428c1c2c2a25c289c062b4ea8.1720668581.git.baolin.wang%40linux.alibaba.com
patch subject: [PATCH 3/3] mm: shmem: move shmem_huge_global_enabled() into shmem_allowable_huge_orders()
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20240712/202407121052.Jbq6PSIi-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240712/202407121052.Jbq6PSIi-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407121052.Jbq6PSIi-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/shmem.c:1160:6: error: call to undeclared function 'shmem_huge_global_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    1160 |         if (shmem_huge_global_enabled(inode, 0, false, NULL, 0))
         |             ^
   1 error generated.


vim +/shmem_huge_global_enabled +1160 mm/shmem.c

^1da177e4c3f41 Linus Torvalds    2005-04-16  1138  
b74d24f7a74ffd Christian Brauner 2023-01-13  1139  static int shmem_getattr(struct mnt_idmap *idmap,
549c7297717c32 Christian Brauner 2021-01-21  1140  			 const struct path *path, struct kstat *stat,
a528d35e8bfcc5 David Howells     2017-01-31  1141  			 u32 request_mask, unsigned int query_flags)
44a30220bc0a17 Yu Zhao           2015-09-08  1142  {
a528d35e8bfcc5 David Howells     2017-01-31  1143  	struct inode *inode = path->dentry->d_inode;
44a30220bc0a17 Yu Zhao           2015-09-08  1144  	struct shmem_inode_info *info = SHMEM_I(inode);
44a30220bc0a17 Yu Zhao           2015-09-08  1145  
3c1b7528d8969a Hugh Dickins      2023-08-03  1146  	if (info->alloced - info->swapped != inode->i_mapping->nrpages)
3c1b7528d8969a Hugh Dickins      2023-08-03  1147  		shmem_recalc_inode(inode, 0, 0);
3c1b7528d8969a Hugh Dickins      2023-08-03  1148  
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1149  	if (info->fsflags & FS_APPEND_FL)
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1150  		stat->attributes |= STATX_ATTR_APPEND;
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1151  	if (info->fsflags & FS_IMMUTABLE_FL)
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1152  		stat->attributes |= STATX_ATTR_IMMUTABLE;
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1153  	if (info->fsflags & FS_NODUMP_FL)
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1154  		stat->attributes |= STATX_ATTR_NODUMP;
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1155  	stat->attributes_mask |= (STATX_ATTR_APPEND |
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1156  			STATX_ATTR_IMMUTABLE |
e408e695f5f1f6 Theodore Ts'o     2022-07-14  1157  			STATX_ATTR_NODUMP);
0d72b92883c651 Jeff Layton       2023-08-07  1158  	generic_fillattr(idmap, request_mask, inode, stat);
89fdcd262fd407 Yang Shi          2018-06-07  1159  
dca7b12ffe751b Baolin Wang       2024-07-11 @1160  	if (shmem_huge_global_enabled(inode, 0, false, NULL, 0))
89fdcd262fd407 Yang Shi          2018-06-07  1161  		stat->blksize = HPAGE_PMD_SIZE;
89fdcd262fd407 Yang Shi          2018-06-07  1162  
f7cd16a55837f3 Xavier Roche      2022-03-22  1163  	if (request_mask & STATX_BTIME) {
f7cd16a55837f3 Xavier Roche      2022-03-22  1164  		stat->result_mask |= STATX_BTIME;
f7cd16a55837f3 Xavier Roche      2022-03-22  1165  		stat->btime.tv_sec = info->i_crtime.tv_sec;
f7cd16a55837f3 Xavier Roche      2022-03-22  1166  		stat->btime.tv_nsec = info->i_crtime.tv_nsec;
f7cd16a55837f3 Xavier Roche      2022-03-22  1167  	}
f7cd16a55837f3 Xavier Roche      2022-03-22  1168  
44a30220bc0a17 Yu Zhao           2015-09-08  1169  	return 0;
44a30220bc0a17 Yu Zhao           2015-09-08  1170  }
44a30220bc0a17 Yu Zhao           2015-09-08  1171  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki