arm/mm/flush.c

38 static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr)
43 	set_top_pte(to, pfn_pte(pfn, PAGE_KERNEL));
52 static void flush_icache_alias(unsigned long pfn, unsigned long vaddr, unsigned long len)
58 	set_top_pte(va, pfn_pte(pfn, PAGE_KERNEL));
98 void flush_cache_pages(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn, unsigned int nr)
101 		vivt_flush_cache_pages(vma, user_addr, pfn, nr);
106 		flush_pfn_alias(pfn, user_addr);
115 #define flush_pfn_alias(pfn,vaddr)		do { } while (0)
116 #define flush_icache_alias(pfn,vaddr,len)	do { } while (0)
255 		unsigned long start, offset, pfn;
267 		pfn = folio_pfn(folio);
271 			pfn -= offset;
279 		flush_cache_pages(vma, start, pfn, nr);
287 	unsigned long pfn;
294 	pfn = pte_pfn(pteval);
295 	if (!pfn_valid(pfn))
298 	folio = page_folio(pfn_to_page(pfn));
384 	unsigned long pfn;
393 	pfn = page_to_pfn(page);
395 		flush_cache_page(vma, vmaddr, pfn);
401 		flush_pfn_alias(pfn, vmaddr);