sys/uvm/uvm_addr.c

308     vaddr_t hint, vsize_t sz, vaddr_t align, vaddr_t offset,
317 	KASSERT((hint & PAGE_MASK) == 0 && (high & PAGE_MASK) == 0 &&
325 	if (hint == 0)
326 		hint = (direction == 1 ? low : high);
327 	else if (hint > high) {
330 		hint = high;
331 	} else if (hint < low) {
334 		hint = low;
338 	    hint - (direction == -1 ? 1 : 0)); entry != NULL;
352 			if (hint >= low_addr && hint <= high_addr) {
353 				*addr_out = hint;
375     vsize_t sz, vaddr_t align, vaddr_t offset, vm_prot_t prot, vaddr_t hint)
382 	hint &= ~((vaddr_t)PAGE_MASK);
383 	if (hint != 0 &&
384 	    !(hint >= uaddr->uaddr_minaddr && hint < uaddr->uaddr_maxaddr))
390 	    entry_out, addr_out, sz, align, offset, prot, hint);
445  * If hint is set, search will start at the hint position.
471     vm_prot_t prot, vaddr_t hint)
526     vm_prot_t prot, vaddr_t hint)
552 	/* Select a hint. */
553 	if (hint == 0)
554 		hint = uvm_map_hint(vm, prot, minaddr, maxaddr);
555 	/* Clamp hint to uaddr range. */
556 	hint = MIN(MAX(hint, minaddr), maxaddr);
558 	/* Align hint to align,offset parameters. */
559 	tmp = hint;
560 	hint = uvm_addr_align_forward(tmp, align, offset);
562 	if (hint < tmp || hint > maxaddr)
567 	hint -= MIN(hint, before_gap);
571 	 * at or after hint with sufficient space.
579 	entry = uvm_map_entrybyaddr(&map->addr, hint);
588 		if (VMMAP_FREE_END(entry) > hint &&
595 			if (hint >= low_addr && hint <= high_addr)
596 				*addr_out = hint;
721     vsize_t sz, vaddr_t align, vaddr_t offset, vm_prot_t prot, vaddr_t hint)
808     vm_prot_t prot, vaddr_t hint)
1090     vm_prot_t prot, vaddr_t hint)
1100 	 * When we have a hint, use the rnd allocator that finds the
1101 	 * area that is closest to the hint, if there is such an area.
1103 	if (hint != 0) {
1105 		    sz, align, offset, prot, hint) == 0)
1340     vm_prot_t prot, vaddr_t hint)