1180 	void *addr;  in check_for_stack()  local
1187 		addr = page_address(page) + offset;  in check_for_stack()
1188 		if (object_is_on_stack(addr))  in check_for_stack()
1189 			err_printk(dev, NULL, "DMA-API: device driver maps memory from stack [addr=%p]\n", addr);  in check_for_stack()
1198 			addr = (u8 *)current->stack + i * PAGE_SIZE + offset;  in check_for_stack()
1199 …	err_printk(dev, NULL, "DMA-API: device driver maps memory from stack [probable addr=%p]\n", addr);  in check_for_stack()
1205 static inline bool overlap(void *addr, unsigned long len, void *start, void *end)  in overlap()  argument
1207 	unsigned long a1 = (unsigned long)addr;  in overlap()
1215 static void check_for_illegal_area(struct device *dev, void *addr, unsigned long len)  in check_for_illegal_area()  argument
1217 	if (overlap(addr, len, _stext, _etext) ||  in check_for_illegal_area()
1218 	    overlap(addr, len, __start_rodata, __end_rodata))  in check_for_illegal_area()
1219 … "DMA-API: device driver maps memory from kernel text or rodata [addr=%p] [len=%lu]\n", addr, len);  in check_for_illegal_area()
1328 		void *addr = page_address(page) + offset;  in debug_dma_map_page()  local
1330 		check_for_illegal_area(dev, addr, size);  in debug_dma_map_page()
1375 void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,  in debug_dma_unmap_page()  argument
1381 		.dev_addr       = addr,  in debug_dma_unmap_page()
1512 			 void *virt, dma_addr_t addr)  in debug_dma_free_coherent()  argument
1519 		.dev_addr       = addr,  in debug_dma_free_coherent()
1531 void debug_dma_map_resource(struct device *dev, phys_addr_t addr, size_t size,  in debug_dma_map_resource()  argument
1545 	entry->pfn		= PHYS_PFN(addr);  in debug_dma_map_resource()
1546 	entry->offset		= offset_in_page(addr);  in debug_dma_map_resource()