1176 	void *addr;  in check_for_stack()  local
1183 		addr = page_address(page) + offset;  in check_for_stack()
1184 		if (object_is_on_stack(addr))  in check_for_stack()
1185 			err_printk(dev, NULL, "DMA-API: device driver maps memory from stack [addr=%p]\n", addr);  in check_for_stack()
1194 			addr = (u8 *)current->stack + i * PAGE_SIZE + offset;  in check_for_stack()
1195 …	err_printk(dev, NULL, "DMA-API: device driver maps memory from stack [probable addr=%p]\n", addr);  in check_for_stack()
1201 static inline bool overlap(void *addr, unsigned long len, void *start, void *end)  in overlap()  argument
1203 	unsigned long a1 = (unsigned long)addr;  in overlap()
1211 static void check_for_illegal_area(struct device *dev, void *addr, unsigned long len)  in check_for_illegal_area()  argument
1213 	if (overlap(addr, len, _stext, _etext) ||  in check_for_illegal_area()
1214 	    overlap(addr, len, __start_rodata, __end_rodata))  in check_for_illegal_area()
1215 … "DMA-API: device driver maps memory from kernel text or rodata [addr=%p] [len=%lu]\n", addr, len);  in check_for_illegal_area()
1324 		void *addr = page_address(page) + offset;  in debug_dma_map_page()  local
1326 		check_for_illegal_area(dev, addr, size);  in debug_dma_map_page()
1371 void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,  in debug_dma_unmap_page()  argument
1377 		.dev_addr       = addr,  in debug_dma_unmap_page()
1508 			 void *virt, dma_addr_t addr)  in debug_dma_free_coherent()  argument
1515 		.dev_addr       = addr,  in debug_dma_free_coherent()
1527 void debug_dma_map_resource(struct device *dev, phys_addr_t addr, size_t size,  in debug_dma_map_resource()  argument
1541 	entry->pfn		= PHYS_PFN(addr);  in debug_dma_map_resource()
1542 	entry->offset		= offset_in_page(addr);  in debug_dma_map_resource()