69  * Mask of all large folio orders supported for anonymous THP; all orders up to
76  * Mask of all large folio orders supported for file THP. Folios in a DAX
86  * Mask of all large folio orders supported for THP.
189 static inline int highest_order(unsigned long orders)  in highest_order()  argument
191 	return fls_long(orders) - 1;  in highest_order()
194 static inline int next_order(unsigned long *orders, int prev)  in next_order()  argument
196 	*orders &= ~BIT(prev);  in next_order()
197 	return highest_order(*orders);  in next_order()
232  * Filter the bitfield of input orders to the ones suitable for use in the vma.
234  * All orders that pass the checks are returned as a bitfield.
237 		unsigned long addr, unsigned long orders)  in thp_vma_suitable_orders()  argument
242 	 * Iterate over orders, highest to lowest, removing orders that don't  in thp_vma_suitable_orders()
244 	 * that meets requirements, since all lower orders must also meet  in thp_vma_suitable_orders()
248 	order = highest_order(orders);  in thp_vma_suitable_orders()
250 	while (orders) {  in thp_vma_suitable_orders()
253 		order = next_order(&orders, order);  in thp_vma_suitable_orders()
256 	return orders;  in thp_vma_suitable_orders()
262 					 unsigned long orders);
265  * thp_vma_allowable_orders - determine hugepage orders that are allowed for vma
269  * @orders: bitfield of all orders to consider
271  * Calculates the intersection of the requested hugepage orders and the allowed
272  * hugepage orders for the provided vma. Permitted orders are encoded as a set
276  * Return: bitfield of orders allowed for hugepage in the vma. 0 if no hugepage
277  * orders are allowed.
283 				       unsigned long orders)  in thp_vma_allowable_orders()  argument
285 	/* Optimization to check if required orders are enabled early. */  in thp_vma_allowable_orders()
295 		orders &= mask;  in thp_vma_allowable_orders()
296 		if (!orders)  in thp_vma_allowable_orders()
300 	return __thp_vma_allowable_orders(vma, vm_flags, tva_flags, orders);  in thp_vma_allowable_orders()
490 		unsigned long addr, unsigned long orders)  in thp_vma_suitable_orders()  argument
498 					unsigned long orders)  in thp_vma_allowable_orders()  argument
623 static inline int highest_order(unsigned long orders)  in highest_order()  argument
628 static inline int next_order(unsigned long *orders, int prev)  in next_order()  argument