kernel/vm/vm_types.h

68 	struct vm_page *page;
125 								// in page size units
227 vm_page_debug_access_start(vm_page* page)
230 	thread_id previousThread = atomic_test_and_set(&page->accessing_thread,
233 		panic("Invalid concurrent access to page 0x%" B_PRIXPHYSADDR " (start), currently "
234 			"accessed by: %" B_PRId32 "@! page -m %p; sc %" B_PRId32 "; cache _cache",
235 			page->physical_page_number * B_PAGE_SIZE, previousThread, page, previousThread);
241 vm_page_debug_access_end(vm_page* page)
244 	thread_id previousThread = atomic_test_and_set(&page->accessing_thread, -1,
247 		panic("Invalid concurrent access to page 0x%" B_PRIXPHYSADDR " (end) by "
248 			"current thread, current accessor is: %" B_PRId32 "@! page -m %p; "
249 			"sc %" B_PRId32 "; cache _cache", page->physical_page_number * B_PAGE_SIZE,
250 			previousThread, page, previousThread);
256 vm_page_debug_access_check(vm_page* page)
258 	thread_id thread = page->accessing_thread;
260 		panic("Invalid concurrent access to page 0x%" B_PRIXPHYSADDR " (check), currently "
261 			"accessed by: %" B_PRId32 "@! page -m %p; sc %" B_PRId32 "; cache _cache",
262 			page->physical_page_number * B_PAGE_SIZE, thread, page, thread);
268 vm_page_debug_access_transfer(vm_page* page, thread_id expectedPreviousThread)
271 	thread_id previousThread = atomic_test_and_set(&page->accessing_thread,
274 		panic("Invalid access transfer for page %p, currently accessed by: "
275 			"%" B_PRId32 ", expected: %" B_PRId32, page, previousThread,
280 #	define DEBUG_PAGE_ACCESS_START(page)	vm_page_debug_access_start(page)
281 #	define DEBUG_PAGE_ACCESS_END(page)		vm_page_debug_access_end(page)
282 #	define DEBUG_PAGE_ACCESS_CHECK(page)	vm_page_debug_access_check(page)
283 #	define DEBUG_PAGE_ACCESS_TRANSFER(page, thread)	\
284 		vm_page_debug_access_transfer(page, thread)
286 #	define DEBUG_PAGE_ACCESS_START(page)			do {} while (false)
287 #	define DEBUG_PAGE_ACCESS_END(page)				do {} while (false)
288 #	define DEBUG_PAGE_ACCESS_CHECK(page)			do {} while (false)
289 #	define DEBUG_PAGE_ACCESS_TRANSFER(page, thread)	do {} while (false)