Lines Matching refs:region

157 			 * memmap=nn@ss specifies usable region, should
395 	 * Avoid the region that is unsafe to overlap during
434  * overlap region with the lowest address.
496 static void store_slot_info(struct mem_vector *region, unsigned long image_size)
503 	slot_area.addr = region->start;
504 	slot_area.num = 1 + (region->size - image_size) / CONFIG_PHYSICAL_ALIGN;
511  * Skip as many 1GB huge pages as possible in the passed region
515 process_gb_huge_pages(struct mem_vector *region, unsigned long image_size)
522 		store_slot_info(region, image_size);
526 	/* Are there any 1GB pages in the region? */
527 	pud_start = ALIGN(region->start, PUD_SIZE);
528 	pud_end = ALIGN_DOWN(region->start + region->size, PUD_SIZE);
532 		store_slot_info(region, image_size);
536 	/* Check if the head part of the region is usable. */
537 	if (pud_start >= region->start + image_size) {
538 		tmp.start = region->start;
539 		tmp.size = pud_start - region->start;
552 	/* Check if the tail part of the region is usable. */
553 	if (region->start + region->size >= pud_end + image_size) {
555 		tmp.size = region->start + region->size - pud_end;
588 	struct mem_vector region, overlap;
592 	region.start = max_t(u64, entry->start, minimum);
598 		region.start = ALIGN(region.start, CONFIG_PHYSICAL_ALIGN);
601 		if (region.start > region_end)
605 		region.size = region_end - region.start;
607 		/* Return if region can't contain decompressed kernel */
608 		if (region.size < image_size)
611 		/* If nothing overlaps, store the region and return. */
612 		if (!mem_avoid_overlap(&region, &overlap)) {
613 			process_gb_huge_pages(&region, image_size);
617 		/* Store beginning of region if holds at least image_size. */
618 		if (overlap.start >= region.start + image_size) {
619 			region.size = overlap.start - region.start;
620 			process_gb_huge_pages(&region, image_size);
623 		/* Clip off the overlapping region and start over. */
624 		region.start = overlap.start + overlap.size;
628 static bool process_mem_region(struct mem_vector *region,
635 	 * use @region directly.
638 		__process_mem_region(region, minimum, image_size);
650 	 * immovable memory and @region.
656 		if (!mem_overlaps(region, &immovable_mem[i]))
661 		region_end = region->start + region->size;
663 		entry.start = clamp(region->start, start, end);
688 	struct mem_vector region;
745 		region.start = md->phys_addr;
746 		region.size = md->num_pages << EFI_PAGE_SHIFT;
747 		if (process_mem_region(&region, minimum, image_size))
764 	struct mem_vector region;
773 		region.start = entry->addr;
774 		region.size = entry->size;
775 		if (process_mem_region(&region, minimum, image_size))
865 		warn("Physical KASLR disabled: no suitable memory region!");