199 void __flush_dcache_page(struct address_space *mapping, struct page *page)  in __flush_dcache_page()  argument
202 	 * Writeback any data associated with the kernel mapping of this  in __flush_dcache_page()
204 	 * coherent with the kernels mapping.  in __flush_dcache_page()
232 	if (mapping && cache_is_vipt_aliasing())  in __flush_dcache_page()
237 static void __flush_dcache_aliases(struct address_space *mapping, struct page *page)  in __flush_dcache_aliases()  argument
247 	 * - aliasing VIPT: we only need to find one mapping of this page.  in __flush_dcache_aliases()
251 	flush_dcache_mmap_lock(mapping);  in __flush_dcache_aliases()
252 	vma_interval_tree_foreach(mpnt, &mapping->i_mmap, pgoff, pgoff) {  in __flush_dcache_aliases()
265 	flush_dcache_mmap_unlock(mapping);  in __flush_dcache_aliases()
273 	struct address_space *mapping;  in __sync_icache_dcache()  local
284 		mapping = page_mapping_file(page);  in __sync_icache_dcache()
286 		mapping = NULL;  in __sync_icache_dcache()
289 		__flush_dcache_page(mapping, page);  in __sync_icache_dcache()
297  * Ensure cache coherency between kernel mapping and userspace mapping
317 	struct address_space *mapping;  in flush_dcache_page()  local
332 	mapping = page_mapping_file(page);  in flush_dcache_page()
335 	    mapping && !page_mapcount(page))  in flush_dcache_page()
338 		__flush_dcache_page(mapping, page);  in flush_dcache_page()
339 		if (mapping && cache_is_vivt())  in flush_dcache_page()
340 			__flush_dcache_aliases(mapping, page);  in flush_dcache_page()
341 		else if (mapping)  in flush_dcache_page()
349  * Ensure cache coherency for the kernel mapping of this page. We can
360 		struct address_space *mapping;  in flush_kernel_dcache_page()  local
362 		mapping = page_mapping_file(page);  in flush_kernel_dcache_page()
364 		if (!mapping || mapping_mapped(mapping)) {  in flush_kernel_dcache_page()
399 	 * Write back and invalidate userspace mapping.  in __flush_anon_page()
414 	 * Invalidate kernel mapping.  No data should be contained  in __flush_anon_page()
415 	 * in this mapping of the page.  FIXME: this is overkill  in __flush_anon_page()