71  * Keep track of memory that is to be preserved across KHO.
113 	struct kho_mem_track track;  member
119 	.track = {
120 		.orders = XARRAY_INIT(kho_out.track.orders, 0),
149 static void __kho_unpreserve_order(struct kho_mem_track *track, unsigned long pfn,  in __kho_unpreserve_order()  argument
156 	physxa = xa_load(&track->orders, order);  in __kho_unpreserve_order()
167 static void __kho_unpreserve(struct kho_mem_track *track, unsigned long pfn,  in __kho_unpreserve()  argument
175 		__kho_unpreserve_order(track, pfn, order);  in __kho_unpreserve()
181 static int __kho_preserve_order(struct kho_mem_track *track, unsigned long pfn,  in __kho_preserve_order()  argument
189 	physxa = xa_load(&track->orders, order);  in __kho_preserve_order()
198 		physxa = xa_cmpxchg(&track->orders, order, NULL, new_physxa,  in __kho_preserve_order()
401 	xa_for_each(&kho_out->track.orders, order, physxa) {  in kho_mem_serialize()
795 	struct kho_mem_track *track = &kho_out.track;  in kho_preserve_folio()  local
800 	return __kho_preserve_order(track, pfn, order);  in kho_preserve_folio()
816 	struct kho_mem_track *track = &kho_out.track;  in kho_unpreserve_folio()  local
818 	__kho_unpreserve_order(track, pfn, order);  in kho_unpreserve_folio()
834 	struct kho_mem_track *track = &kho_out.track;  in kho_preserve_pages()  local
850 		err = __kho_preserve_order(track, pfn, order);  in kho_preserve_pages()
860 		__kho_unpreserve(track, start_pfn, failed_pfn);  in kho_preserve_pages()
878 	struct kho_mem_track *track = &kho_out.track;  in kho_unpreserve_pages()  local
882 	__kho_unpreserve(track, start_pfn, end_pfn);  in kho_unpreserve_pages()
956 	struct kho_mem_track *track = &kho_out.track;  in kho_vmalloc_unpreserve_chunk()  local
959 	__kho_unpreserve(track, pfn, pfn + 1);  in kho_vmalloc_unpreserve_chunk()
963 		__kho_unpreserve(track, pfn, pfn + (1 << order));  in kho_vmalloc_unpreserve_chunk()