[akpm-mm:mm-unstable 239/250] mm/workingset.c:598:38: error: implicit declaration of function 'folio_memcg_charged'; did you mean 'folio_memcg_check'?

[akpm-mm:mm-unstable 239/250] mm/workingset.c:598:38: error: implicit declaration of function 'folio_memcg_charged'; did you mean 'folio_memcg_check'?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
head:   92409df3e00a17d6fd5bb27732fa186749725ed5
commit: b4fa93fbd1dc5828d3a21ec45d9a6386058181de [239/250] memcg: workingset: remove folio_memcg_rcu usage
config: parisc-defconfig (https://download.01.org/0day-ci/archive/20241028/202410281525.6Obl6WjL-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241028/202410281525.6Obl6WjL-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410281525.6Obl6WjL-lkp@intel.com/

All errors (new ones prefixed by >>):

   mm/workingset.c: In function 'workingset_activation':
>> mm/workingset.c:598:38: error: implicit declaration of function 'folio_memcg_charged'; did you mean 'folio_memcg_check'? [-Wimplicit-function-declaration]
     598 |         if (mem_cgroup_disabled() || folio_memcg_charged(folio))
         |                                      ^~~~~~~~~~~~~~~~~~~
         |                                      folio_memcg_check


vim +598 mm/workingset.c

   587	
   588	/**
   589	 * workingset_activation - note a page activation
   590	 * @folio: Folio that is being activated.
   591	 */
   592	void workingset_activation(struct folio *folio)
   593	{
   594		/*
   595		 * Filter non-memcg pages here, e.g. unmap can call
   596		 * mark_page_accessed() on VDSO pages.
   597		 */
 > 598		if (mem_cgroup_disabled() || folio_memcg_charged(folio))
   599			workingset_age_nonresident(folio_lruvec(folio), folio_nr_pages(folio));
   600	}
   601	

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