64  * exclusion region can be excluded from crash dumps, from the vm pool of pages
66  * with the region.
82 struct region {  struct
88 static struct region hwregions[MAX_HWCNT];  argument
89 static struct region exregions[MAX_EXCNT];
116  * Print the contents of the physical and excluded region tables using the
175  * "avail list" size. Walk stops once the limit is reached and the last region
190 	const struct region *exp, *hwp;  in regions_to_avail()
206 			 * If the excluded region does not match given flags,  in regions_to_avail()
207 			 * continue checking with the next excluded region.  in regions_to_avail()
214 			 * If the excluded region ends before this hw region,  in regions_to_avail()
215 			 * continue checking with the next excluded region.  in regions_to_avail()
220 			 * If the excluded region begins after this hw region  in regions_to_avail()
226 			 * If the excluded region completely covers this hw  in regions_to_avail()
227 			 * region, shrink this hw region to zero size.  in regions_to_avail()
235 			 * If the excluded region falls wholly within this hw  in regions_to_avail()
236 			 * region without abutting or overlapping the beginning  in regions_to_avail()
238 			 * fragment, then adjust the start of this hw region to  in regions_to_avail()
239 			 * the end of the excluded region, and continue checking  in regions_to_avail()
240 			 * the next excluded region because another exclusion  in regions_to_avail()
241 			 * could affect the remainder of this hw region.  in regions_to_avail()
264 			 * We know the excluded region overlaps either the start  in regions_to_avail()
265 			 * or end of this hardware region (but not both), trim  in regions_to_avail()
306  * Check if the region at idx can be merged with the region above it.
309 merge_upper_regions(struct region *regions, size_t rcnt, size_t idx)  in merge_upper_regions()
311 	struct region *lower, *upper;  in merge_upper_regions()
336 			 * If we didn't move past the end of the upper region,  in merge_upper_regions()
370 insert_region(struct region *regions, size_t rcnt, vm_paddr_t addr,  in insert_region()
375 	struct region *ep, *rp;  in insert_region()
436  * Add a hardware memory region.
478  * Add an exclusion region.
494 		panic("failed to exclude region %#jx-%#jx", (uintmax_t)pa,  in physmem_exclude_region()
509 	const struct region *exp;  in physmem_excluded()
525  * available for use (all pages not in any exclusion region).
603 			    "reserving memory region:   %jx-%jx\n",  in ram_attach()