1166 static void check_for_stack(struct device *dev, void *addr)  in check_for_stack()  argument
1168 	if (object_is_on_stack(addr))  in check_for_stack()
1170 				"stack [addr=%p]\n", addr);  in check_for_stack()
1173 static inline bool overlap(void *addr, unsigned long len, void *start, void *end)  in overlap()  argument
1175 	unsigned long a1 = (unsigned long)addr;  in overlap()
1183 static void check_for_illegal_area(struct device *dev, void *addr, unsigned long len)  in check_for_illegal_area()  argument
1185 	if (overlap(addr, len, _stext, _etext) ||  in check_for_illegal_area()
1186 	    overlap(addr, len, __start_rodata, __end_rodata))  in check_for_illegal_area()
1187 … "DMA-API: device driver maps memory from kernel text or rodata [addr=%p] [len=%lu]\n", addr, len);  in check_for_illegal_area()
1294 		void *addr = page_address(page) + offset;  in debug_dma_map_page()  local
1296 		check_for_stack(dev, addr);  in debug_dma_map_page()
1297 		check_for_illegal_area(dev, addr, size);  in debug_dma_map_page()
1342 void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,  in debug_dma_unmap_page()  argument
1348 		.dev_addr       = addr,  in debug_dma_unmap_page()
1478 			 void *virt, dma_addr_t addr)  in debug_dma_free_coherent()  argument
1485 		.dev_addr       = addr,  in debug_dma_free_coherent()