47 #define for_each_hstate(h) \  argument
48 	for ((h) = hstates; (h) < &hstates[hugetlb_max_hstate]; (h)++)
50 struct hugepage_subpool *hugepage_new_subpool(struct hstate *h, long max_hpages,
94 u32 hugetlb_fault_mutex_hash(struct hstate *h, struct mm_struct *mm,
335 struct page *alloc_huge_page_node(struct hstate *h, int nid);
342 int __init alloc_bootmem_huge_page(struct hstate *h);
381 static inline unsigned long huge_page_size(struct hstate *h)  in huge_page_size()  argument
383 	return (unsigned long)PAGE_SIZE << h->order;  in huge_page_size()
390 static inline unsigned long huge_page_mask(struct hstate *h)  in huge_page_mask()  argument
392 	return h->mask;  in huge_page_mask()
395 static inline unsigned int huge_page_order(struct hstate *h)  in huge_page_order()  argument
397 	return h->order;  in huge_page_order()
400 static inline unsigned huge_page_shift(struct hstate *h)  in huge_page_shift()  argument
402 	return h->order + PAGE_SHIFT;  in huge_page_shift()
405 static inline bool hstate_is_gigantic(struct hstate *h)  in hstate_is_gigantic()  argument
407 	return huge_page_order(h) >= MAX_ORDER;  in hstate_is_gigantic()
410 static inline unsigned int pages_per_huge_page(struct hstate *h)  in pages_per_huge_page()  argument
412 	return 1 << h->order;  in pages_per_huge_page()
415 static inline unsigned int blocks_per_huge_page(struct hstate *h)  in blocks_per_huge_page()  argument
417 	return huge_page_size(h) / 512;  in blocks_per_huge_page()
441 static inline int hstate_index(struct hstate *h)  in hstate_index()  argument
443 	return h - hstates;  in hstate_index()
459 static inline int hugepage_migration_supported(struct hstate *h)  in hugepage_migration_supported()  argument
462 	return huge_page_shift(h) == PMD_SHIFT;  in hugepage_migration_supported()
468 static inline spinlock_t *huge_pte_lockptr(struct hstate *h,  in huge_pte_lockptr()  argument
471 	if (huge_page_size(h) == PMD_SIZE)  in huge_pte_lockptr()
473 	VM_BUG_ON(huge_page_size(h) == PAGE_SIZE);  in huge_pte_lockptr()
500 #define alloc_huge_page_node(h, nid) NULL  argument
502 #define alloc_bootmem_huge_page(h) NULL  argument
508 #define huge_page_size(h) PAGE_SIZE  argument
509 #define huge_page_mask(h) PAGE_MASK  argument
512 #define huge_page_order(h) 0  argument
513 #define huge_page_shift(h) PAGE_SHIFT  argument
514 static inline unsigned int pages_per_huge_page(struct hstate *h)  in pages_per_huge_page()  argument
519 #define hstate_index(h) 0  argument
526 #define hugepage_migration_supported(h)	0  argument
528 static inline spinlock_t *huge_pte_lockptr(struct hstate *h,  in huge_pte_lockptr()  argument
543 static inline spinlock_t *huge_pte_lock(struct hstate *h,  in huge_pte_lock()  argument
548 	ptl = huge_pte_lockptr(h, mm, pte);  in huge_pte_lock()