1054 	void *addr;  in check_for_stack()  local
1061 		addr = page_address(page) + offset;  in check_for_stack()
1062 		if (object_is_on_stack(addr))  in check_for_stack()
1063 			err_printk(dev, NULL, "device driver maps memory from stack [addr=%p]\n", addr);  in check_for_stack()
1072 			addr = (u8 *)current->stack + i * PAGE_SIZE + offset;  in check_for_stack()
1073 			err_printk(dev, NULL, "device driver maps memory from stack [probable addr=%p]\n", addr);  in check_for_stack()
1079 static void check_for_illegal_area(struct device *dev, void *addr, unsigned long len)  in check_for_illegal_area()  argument
1081 	if (memory_intersects(_stext, _etext, addr, len) ||  in check_for_illegal_area()
1082 	    memory_intersects(__start_rodata, __end_rodata, addr, len))  in check_for_illegal_area()
1083 …ev, NULL, "device driver maps memory from kernel text or rodata [addr=%p] [len=%lu]\n", addr, len);  in check_for_illegal_area()
1187 void debug_dma_map_single(struct device *dev, const void *addr,  in debug_dma_map_single()  argument
1193 	if (!virt_addr_valid(addr))  in debug_dma_map_single()
1195 			   addr, len);  in debug_dma_map_single()
1197 	if (is_vmalloc_addr(addr))  in debug_dma_map_single()
1199 			   addr, len);  in debug_dma_map_single()
1231 		void *addr = page_address(page) + offset;  in debug_dma_map_page()  local
1233 		check_for_illegal_area(dev, addr, size);  in debug_dma_map_page()
1277 void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,  in debug_dma_unmap_page()  argument
1283 		.dev_addr       = addr,  in debug_dma_unmap_page()
1418 			 void *virt, dma_addr_t addr)  in debug_dma_free_coherent()  argument
1424 		.dev_addr       = addr,  in debug_dma_free_coherent()
1444 void debug_dma_map_resource(struct device *dev, phys_addr_t addr, size_t size,  in debug_dma_map_resource()  argument
1459 	entry->pfn		= PHYS_PFN(addr);  in debug_dma_map_resource()
1460 	entry->offset		= offset_in_page(addr);  in debug_dma_map_resource()