85 struct mm_slot {  struct
101 	struct mm_slot *mm_slot;  member
348 					  sizeof(struct mm_slot),  in khugepaged_init()
349 					  __alignof__(struct mm_slot), 0, NULL);  in khugepaged_init()
365 static inline struct mm_slot *alloc_mm_slot(void)  in alloc_mm_slot()
372 static inline void free_mm_slot(struct mm_slot *mm_slot)  in free_mm_slot()  argument
374 	kmem_cache_free(mm_slot_cache, mm_slot);  in free_mm_slot()
377 static struct mm_slot *get_mm_slot(struct mm_struct *mm)  in get_mm_slot()
379 	struct mm_slot *mm_slot;  in get_mm_slot()  local
381 	hash_for_each_possible(mm_slots_hash, mm_slot, hash, (unsigned long)mm)  in get_mm_slot()
382 		if (mm == mm_slot->mm)  in get_mm_slot()
383 			return mm_slot;  in get_mm_slot()
389 				    struct mm_slot *mm_slot)  in insert_to_mm_slots_hash()  argument
391 	mm_slot->mm = mm;  in insert_to_mm_slots_hash()
392 	hash_add(mm_slots_hash, &mm_slot->hash, (long)mm);  in insert_to_mm_slots_hash()
422 	struct mm_slot *mm_slot;  in __khugepaged_enter()  local
425 	mm_slot = alloc_mm_slot();  in __khugepaged_enter()
426 	if (!mm_slot)  in __khugepaged_enter()
432 		free_mm_slot(mm_slot);  in __khugepaged_enter()
437 	insert_to_mm_slots_hash(mm, mm_slot);  in __khugepaged_enter()
443 	list_add_tail(&mm_slot->mm_node, &khugepaged_scan.mm_head);  in __khugepaged_enter()
474 	struct mm_slot *mm_slot;  in __khugepaged_exit()  local
478 	mm_slot = get_mm_slot(mm);  in __khugepaged_exit()
479 	if (mm_slot && khugepaged_scan.mm_slot != mm_slot) {  in __khugepaged_exit()
480 		hash_del(&mm_slot->hash);  in __khugepaged_exit()
481 		list_del(&mm_slot->mm_node);  in __khugepaged_exit()
488 		free_mm_slot(mm_slot);  in __khugepaged_exit()
490 	} else if (mm_slot) {  in __khugepaged_exit()
1224 static void collect_mm_slot(struct mm_slot *mm_slot)  in collect_mm_slot()  argument
1226 	struct mm_struct *mm = mm_slot->mm;  in collect_mm_slot()
1232 		hash_del(&mm_slot->hash);  in collect_mm_slot()
1233 		list_del(&mm_slot->mm_node);  in collect_mm_slot()
1242 		free_mm_slot(mm_slot);  in collect_mm_slot()
1662 	struct mm_slot *mm_slot;  in khugepaged_scan_mm_slot()  local
1670 	if (khugepaged_scan.mm_slot)  in khugepaged_scan_mm_slot()
1671 		mm_slot = khugepaged_scan.mm_slot;  in khugepaged_scan_mm_slot()
1673 		mm_slot = list_entry(khugepaged_scan.mm_head.next,  in khugepaged_scan_mm_slot()
1674 				     struct mm_slot, mm_node);  in khugepaged_scan_mm_slot()
1676 		khugepaged_scan.mm_slot = mm_slot;  in khugepaged_scan_mm_slot()
1680 	mm = mm_slot->mm;  in khugepaged_scan_mm_slot()
1756 	VM_BUG_ON(khugepaged_scan.mm_slot != mm_slot);  in khugepaged_scan_mm_slot()
1767 		if (mm_slot->mm_node.next != &khugepaged_scan.mm_head) {  in khugepaged_scan_mm_slot()
1768 			khugepaged_scan.mm_slot = list_entry(  in khugepaged_scan_mm_slot()
1769 				mm_slot->mm_node.next,  in khugepaged_scan_mm_slot()
1770 				struct mm_slot, mm_node);  in khugepaged_scan_mm_slot()
1773 			khugepaged_scan.mm_slot = NULL;  in khugepaged_scan_mm_slot()
1777 		collect_mm_slot(mm_slot);  in khugepaged_scan_mm_slot()
1814 		if (!khugepaged_scan.mm_slot)  in khugepaged_do_scan()
1857 	struct mm_slot *mm_slot;  in khugepaged()  local
1868 	mm_slot = khugepaged_scan.mm_slot;  in khugepaged()
1869 	khugepaged_scan.mm_slot = NULL;  in khugepaged()
1870 	if (mm_slot)  in khugepaged()
1871 		collect_mm_slot(mm_slot);  in khugepaged()