kernel/vm/vm.cpp

95 	inline AreaCacheLocker(VMCache* cache = NULL)
114 			area != NULL ? vm_area_get_locked_cache(area) : NULL, true, true);
123 		fTopCache(NULL),
124 		fBottomCache(NULL)
145 		if (topCache != NULL)
146 			topCache->SetUserData(NULL);
151 		if (fBottomCache == NULL || fBottomCache->source == NULL)
152 			return NULL;
166 		while (LockSourceCache() != NULL) {
170 	void Unlock(VMCache* exceptCache = NULL)
172 		if (fTopCache == NULL)
179 		while (cache != NULL) {
190 		fTopCache = NULL;
191 		fBottomCache = NULL;
196 		if (fTopCache == NULL)
200 		VMCache* cache = NULL;
212 		if (fTopCache == NULL)
216 		VMCache* cache = NULL;
222 		while (cache != fBottomCache && nextCache != NULL) {
462 	if (area != NULL && area->address_space != addressSpace)
463 		area = NULL;
487 	if (area->page_protections == NULL)
515 	if (area->page_protections == NULL)
568 		if (mapping == NULL)
702 	bool onlyCacheUser = cache->areas == area && area->cache_next == NULL
714 		if (area->page_protections != NULL) {
718 			if (newProtections == NULL) {
742 		uint8* newProtections = NULL;
743 		if (area->page_protections != NULL) {
746 			newProtections = realloc_page_protections(NULL, area->Size(),
749 			if (newProtections == NULL)
757 			if (newProtections != NULL)
762 		if (area->page_protections != NULL) {
804 	uint8* areaNewProtections = NULL;
805 	uint8* secondAreaNewProtections = NULL;
809 	if (area->page_protections != NULL) {
810 		areaNewProtections = realloc_page_protections(NULL, area->Size(),
812 		secondAreaNewProtections = realloc_page_protections(NULL, secondSize,
815 		if (areaNewProtections == NULL || secondAreaNewProtections == NULL) {
833 			dynamic_cast<VMAnonymousNoSwapCache*>(cache) == NULL, priority);
863 				&addressRestrictions, kernel, &secondArea, NULL);
899 			&addressRestrictions, kernel, &secondArea, NULL);
910 	if (area->page_protections != NULL) {
948 	if (_secondArea != NULL)
984 		status_t error = cut_area(addressSpace, area, address, size, NULL,
1006 	if (cache->areas != area || area->cache_next != NULL
1090 	if (area == NULL)
1207 	if (locker1 != NULL)
1209 	if (locker2 != NULL)
1233 		be \c NULL).
1235 		be \c NULL).
1250 	if (locker1 != NULL)
1252 	if (locker2 != NULL)
1304 	if (area->page_protections == NULL) {
1358 	if (area->page_protections == NULL) {
1410 		true, &area, NULL);
1467 	vm_page* page = NULL;
1641 		if (page == NULL) {
1748 				if (page == NULL) {
1783 				if (page == NULL)
1822 			if (page == NULL)
2038 	if (_size != NULL)
2178 	if (descriptor == NULL)
2206 	struct vnode* vnode = NULL;
2241 			if (fReservation != NULL)
2246 	} pageUnreserver(reservedPreMapPages > 0 ? &reservation : NULL);
2352 	VMArea* newArea = NULL;
2388 	if (sourceArea == NULL)
2590 	\param wiredPagesReservation If \c NULL there must not be any wired pages
2608 		dynamic_cast<VMAnonymousNoSwapCache*>(lowerCache) == NULL,
2630 	if (wiredPagesReservation != NULL) {
2652 				for (VMArea* tempArea = upperCache->areas; tempArea != NULL;
2679 		for (VMArea* tempArea = upperCache->areas; tempArea != NULL;
2681 			if (tempArea->page_protections != NULL) {
2794 			if (fReservation != NULL)
2800 	} pagesUnreserver(wiredPages > 0 ? &wiredPagesReservation : NULL);
2804 	uint8* targetPageProtections = NULL;
2806 	if (source->page_protections != NULL) {
2812 		if (targetPageProtections == NULL)
2851 	if (targetPageProtections != NULL)
2866 					wiredPages > 0 ? &wiredPagesReservation : NULL) < B_OK) {
2945 			for (VMArea* otherArea = cache->areas; otherArea != NULL;
2964 		if (cache->source != NULL && cache->temporary) {
2996 			status = vm_copy_on_write_area(cache, NULL);
2999 			if (cache->source != NULL && cache->temporary) {
3006 			if (status == B_OK && cache->source != NULL) {
3052 	if (addressSpace == NULL)
3077 	while ((mapping = iterator.Next()) != NULL) {
3107 	while ((mapping = iterator.Next()) != NULL) {
3143 	while ((mapping = iterator.Next()) != NULL) {
3262 	void* physicalPageHandle = NULL;
3410 	while (root->source != NULL)
3498 	if (cache->areas != NULL) {
3503 		while (area->cache_next != NULL) {
3522 	if (sCacheInfoTable == NULL) {
3546 		if (cache->source == NULL) {
3611 	if (argv[i] == NULL) {
3659 		while (iterator.Next() != NULL) {
3715 		while ((area = it.Next()) != NULL) {
3738 	const char* name = NULL;
3752 	while ((area = it.Next()) != NULL) {
3754 			|| (name != NULL && strstr(area->name, name) == NULL))
3805 	Team* team = NULL;
3812 		if (thread == NULL) {
3836 				fAddressSpace(NULL)
3860 		if (team != NULL) {
3863 			if (addressSpace == NULL) {
3874 				addressSpace != NULL;
3888 		} else if (team != NULL) {
3892 			if (thread == NULL || thread->team == NULL) {
3900 		if (addressSpace == NULL) {
3959 	if (area != NULL) {
3986 			if (page != NULL && page->State() != PAGE_STATE_FREE
4067 	if (fileName == NULL)
4391 	for (image = args->preloaded_images; image != NULL; image = image->next)
4418 		sizeof(vm_page_mapping), 0, 0, 64, 128, CACHE_LARGE_SLAB, NULL, NULL,
4419 		NULL, NULL);
4420 	if (gPageMappingsObjectCache == NULL)
4445 	if (sCacheInfoTable != NULL) {
4531 	if (thread != NULL)
4540 	if (thread != NULL)
4555 	VMAddressSpace* addressSpace = NULL;
4565 		if (addressSpace == NULL) {
4591 			isUser, NULL);
4601 			if (thread != NULL && thread->fault_handler != 0) {
4615 			VMArea* area = NULL;
4616 			if (addressSpace != NULL) {
4629 			if (addressSpace != NULL)
4637 			if ((sigaction(SIGSEGV, NULL, &action) == 0
4652 	if (addressSpace != NULL)
4693 		page = NULL;
4700 	void UnlockAll(VMCache* exceptCache = NULL)
4702 		topCache = NULL;
4725 	VMCache* lastCache = NULL;
4726 	vm_page* page = NULL;
4728 	while (cache != NULL) {
4734 		if (page != NULL && page->busy) {
4745 		if (page != NULL)
4801 	if (page == NULL) {
4856 	\param wirePage On success, if non \c NULL, the wired count of the page
4891 		if (area == NULL) {
4987 		vm_page* mappedPage = NULL;
4991 				!= NULL) {
5065 				} else if (wirePage != NULL) {
5078 		if (wirePage != NULL && status == B_OK) {
5375 			for (VMArea* current = cache->areas; current != NULL;
5385 			for (VMArea* current = cache->areas; current != NULL;
5414 	for (VMArea* current = cache->areas; current != NULL;
5436 		if (area->page_protections != NULL) {
5440 			if (newProtections == NULL)
5468 		for (VMArea* current = cache->areas; current != NULL;
5550 		if (thread == NULL || thread->team == NULL)
5557 	if (addressSpace == NULL)
5562 	if (area == NULL)
5569 	vm_page* page = NULL;
5570 	while (cache != NULL) {
5572 		if (page != NULL)
5583 	if (page == NULL)
5634 	the string in \a to, NULL-terminating the result.
5645 	if (to == NULL && size != 0)
5647 	if (from == NULL)
5712 	VMAddressSpace* addressSpace = NULL;
5720 	if (addressSpace == NULL)
5730 	if (area == NULL) {
5752 			!= NULL) {
5866 	VMAddressSpace* addressSpace = NULL;
5874 	if (addressSpace == NULL)
5889 		if (area == NULL) {
5901 		if (range == NULL) {
5936 					!= NULL) {
6025 	VMAddressSpace* addressSpace = NULL;
6033 	if (addressSpace == NULL)
6048 		if (area == NULL) {
6072 			if (range != NULL) {
6093 					!= NULL) {
6115 		if (range != NULL) {
6177 	if (addressSpace == NULL)
6288 	if (size != sizeof(area_info) || info == NULL)
6319 	if (area == NULL) {
6825 			if (area == NULL)
6860 		if (area == NULL)
6869 		if (area->page_protections == NULL) {
6893 		if (topCache->source != NULL && topCache->temporary) {
6898 				if (topCache->LookupPage(pageAddress) != NULL) {
6937 			if (page == NULL) {
6999 		if (area == NULL)
7103 	if (area == NULL)
7147 		if (area == NULL) {
7163 		VMAnonymousCache* anonCache = NULL;
7164 		if (dynamic_cast<VMAnonymousNoSwapCache*>(area->cache) != NULL) {
7166 		} else if ((anonCache = dynamic_cast<VMAnonymousCache*>(area->cache)) != NULL) {