73  * Mask of all large folio orders supported for anonymous THP; all orders up to
80  * Mask of all large folio orders supported for file THP. Folios in a DAX
90  * Mask of all large folio orders supported for THP.
193 static inline int highest_order(unsigned long orders)  in highest_order()  argument
195 	return fls_long(orders) - 1;  in highest_order()
198 static inline int next_order(unsigned long *orders, int prev)  in next_order()  argument
200 	*orders &= ~BIT(prev);  in next_order()
201 	return highest_order(*orders);  in next_order()
236  * Filter the bitfield of input orders to the ones suitable for use in the vma.
238  * All orders that pass the checks are returned as a bitfield.
241 		unsigned long addr, unsigned long orders)  in thp_vma_suitable_orders()  argument
246 	 * Iterate over orders, highest to lowest, removing orders that don't  in thp_vma_suitable_orders()
248 	 * that meets requirements, since all lower orders must also meet  in thp_vma_suitable_orders()
252 	order = highest_order(orders);  in thp_vma_suitable_orders()
254 	while (orders) {  in thp_vma_suitable_orders()
257 		order = next_order(&orders, order);  in thp_vma_suitable_orders()
260 	return orders;  in thp_vma_suitable_orders()
266 					 unsigned long orders);
269  * thp_vma_allowable_orders - determine hugepage orders that are allowed for vma
273  * @orders: bitfield of all orders to consider
275  * Calculates the intersection of the requested hugepage orders and the allowed
276  * hugepage orders for the provided vma. Permitted orders are encoded as a set
280  * Return: bitfield of orders allowed for hugepage in the vma. 0 if no hugepage
281  * orders are allowed.
287 				       unsigned long orders)  in thp_vma_allowable_orders()  argument
289 	/* Optimization to check if required orders are enabled early. */  in thp_vma_allowable_orders()
299 		orders &= mask;  in thp_vma_allowable_orders()
300 		if (!orders)  in thp_vma_allowable_orders()
304 	return __thp_vma_allowable_orders(vma, vm_flags, tva_flags, orders);  in thp_vma_allowable_orders()
524 		unsigned long addr, unsigned long orders)  in thp_vma_suitable_orders()  argument
532 					unsigned long orders)  in thp_vma_allowable_orders()  argument
663 static inline int highest_order(unsigned long orders)  in highest_order()  argument
668 static inline int next_order(unsigned long *orders, int prev)  in next_order()  argument