Re: [PATCH] mm/memcg: support control THP behaviour in cgroup

[kernel test robot <lkp@intel.com>]

Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.18-rc5]
[cannot apply to hnaz-mm/master]
[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/intel-lab-lkp/linux/commits/cgel-zte-gmail-com/mm-memcg-support-control-THP-behaviour-in-cgroup/20220505-114028
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 107c948d1d3e61d10aee9d0f7c3d81bbee9842af
config: i386-randconfig-s001 (https://download.01.org/0day-ci/archive/20220505/202205052327.RldmheYL-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/intel-lab-lkp/linux/commit/f08a35b9798572693a91c6a3d823ed9ae54ef688
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review cgel-zte-gmail-com/mm-memcg-support-control-THP-behaviour-in-cgroup/20220505-114028
        git checkout f08a35b9798572693a91c6a3d823ed9ae54ef688
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

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


sparse warnings: (new ones prefixed by >>)
   mm/huge_memory.c: note: in included file (through include/linux/mm.h):
>> include/linux/huge_mm.h:272:43: sparse: sparse: marked inline, but without a definition
   mm/huge_memory.c: note: in included file:
>> include/linux/khugepaged.h:30:36: sparse: sparse: marked inline, but without a definition
   include/linux/khugepaged.h:31:38: sparse: sparse: marked inline, but without a definition
--
   mm/memory.c:1024:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
   mm/memory.c:1752:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
   mm/memory.c:1800:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
   mm/memory.c:2302:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
   mm/memory.c:2558:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
   mm/memory.c:2847:9: sparse: sparse: context imbalance in 'wp_page_copy' - different lock contexts for basic block
   mm/memory.c:3185:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
   mm/memory.c:3248:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
   mm/memory.c: note: in included file (through include/linux/mm.h):
>> include/linux/huge_mm.h:272:43: sparse: sparse: marked inline, but without a definition
>> include/linux/huge_mm.h:272:43: sparse: sparse: marked inline, but without a definition
--
   mm/shmem.c: note: in included file:
>> include/linux/khugepaged.h:30:36: sparse: sparse: marked inline, but without a definition
   include/linux/khugepaged.h:31:38: sparse: sparse: marked inline, but without a definition
>> include/linux/khugepaged.h:30:36: sparse: sparse: marked inline, but without a definition
   include/linux/khugepaged.h:31:38: sparse: sparse: marked inline, but without a definition

vim +272 include/linux/huge_mm.h

   263	
   264	static inline struct list_head *page_deferred_list(struct page *page)
   265	{
   266		/*
   267		 * Global or memcg deferred list in the second tail pages is
   268		 * occupied by compound_head.
   269		 */
   270		return &page[2].deferred_list;
   271	}
 > 272	inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma);
   273	

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