Re: [PATCH v2 8/8] mm: hugetlb: allocate frozen pages in alloc_gigantic_folio()

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

Hi Kefeng,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]

url:    https://github.com/intel-lab-lkp/linux/commits/Kefeng-Wang/mm-page_alloc-optimize-pfn_range_valid_contig/20250918-212431
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20250918132000.1951232-9-wangkefeng.wang%40huawei.com
patch subject: [PATCH v2 8/8] mm: hugetlb: allocate frozen pages in alloc_gigantic_folio()
config: riscv-randconfig-001-20250919 (https://download.01.org/0day-ci/archive/20250919/202509191000.RoubFuJ8-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250919/202509191000.RoubFuJ8-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/202509191000.RoubFuJ8-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   mm/hugetlb.c: In function 'alloc_gigantic_folio':
>> mm/hugetlb.c:1497:26: error: implicit declaration of function 'alloc_contig_frozen_pages'; did you mean 'alloc_frozen_pages'? [-Werror=implicit-function-declaration]
    1497 |  folio = (struct folio *)alloc_contig_frozen_pages(1 << order, gfp_mask,
         |                          ^~~~~~~~~~~~~~~~~~~~~~~~~
         |                          alloc_frozen_pages
>> mm/hugetlb.c:1497:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    1497 |  folio = (struct folio *)alloc_contig_frozen_pages(1 << order, gfp_mask,
         |          ^
   cc1: some warnings being treated as errors


vim +1497 mm/hugetlb.c

  1471	
  1472	#define for_each_node_mask_to_alloc(next_node, nr_nodes, node, mask)		\
  1473		for (nr_nodes = nodes_weight(*mask);				\
  1474			nr_nodes > 0 &&						\
  1475			((node = hstate_next_node_to_alloc(next_node, mask)) || 1);	\
  1476			nr_nodes--)
  1477	
  1478	#define for_each_node_mask_to_free(hs, nr_nodes, node, mask)		\
  1479		for (nr_nodes = nodes_weight(*mask);				\
  1480			nr_nodes > 0 &&						\
  1481			((node = hstate_next_node_to_free(hs, mask)) || 1);	\
  1482			nr_nodes--)
  1483	
  1484	#ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE
  1485	static struct folio *alloc_gigantic_folio(int order, gfp_t gfp_mask,
  1486			int nid, nodemask_t *nodemask)
  1487	{
  1488		struct folio *folio;
  1489	
  1490		folio = hugetlb_cma_alloc_frozen_folio(order, gfp_mask, nid, nodemask);
  1491		if (folio)
  1492			return folio;
  1493	
  1494		if (hugetlb_cma_exclusive_alloc())
  1495			return NULL;
  1496	
> 1497		folio = (struct folio *)alloc_contig_frozen_pages(1 << order, gfp_mask,
  1498								  nid, nodemask);
  1499		return folio;
  1500	}
  1501	#else /* !CONFIG_ARCH_HAS_GIGANTIC_PAGE */
  1502	static struct folio *alloc_gigantic_folio(int order, gfp_t gfp_mask, int nid,
  1503						  nodemask_t *nodemask)
  1504	{
  1505		return NULL;
  1506	}
  1507	#endif
  1508	

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