71  * Mask of all large folio orders supported for anonymous THP; all orders up to
78  * Mask of all large folio orders supported for file THP.
83  * Mask of all large folio orders supported for THP.
129 static inline int highest_order(unsigned long orders)  in highest_order()  argument
131 	return fls_long(orders) - 1;  in highest_order()
134 static inline int next_order(unsigned long *orders, int prev)  in next_order()  argument
136 	*orders &= ~BIT(prev);  in next_order()
137 	return highest_order(*orders);  in next_order()
172  * Filter the bitfield of input orders to the ones suitable for use in the vma.
174  * All orders that pass the checks are returned as a bitfield.
177 		unsigned long addr, unsigned long orders)  in thp_vma_suitable_orders()  argument
182 	 * Iterate over orders, highest to lowest, removing orders that don't  in thp_vma_suitable_orders()
184 	 * that meets requirements, since all lower orders must also meet  in thp_vma_suitable_orders()
188 	order = highest_order(orders);  in thp_vma_suitable_orders()
190 	while (orders) {  in thp_vma_suitable_orders()
193 		order = next_order(&orders, order);  in thp_vma_suitable_orders()
196 	return orders;  in thp_vma_suitable_orders()
215 					 unsigned long orders);
218  * thp_vma_allowable_orders - determine hugepage orders that are allowed for vma
224  * @orders: bitfield of all orders to consider
226  * Calculates the intersection of the requested hugepage orders and the allowed
227  * hugepage orders for the provided vma. Permitted orders are encoded as a set
231  * Return: bitfield of orders allowed for hugepage in the vma. 0 if no hugepage
232  * orders are allowed.
238 				       unsigned long orders)  in thp_vma_allowable_orders()  argument
240 	/* Optimization to check if required orders are enabled early. */  in thp_vma_allowable_orders()
250 		orders &= mask;  in thp_vma_allowable_orders()
251 		if (!orders)  in thp_vma_allowable_orders()
256 					  enforce_sysfs, orders);  in thp_vma_allowable_orders()
400 		unsigned long addr, unsigned long orders)  in thp_vma_suitable_orders()  argument
408 					unsigned long orders)  in thp_vma_allowable_orders()  argument