sparc32: implement the new page table range API

[linux-2.6-microblaze.git] / arch / sparc / mm / init_32.c

diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 9c0ea45..d96a14f 100644 (file)
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -297,11 +297,20 @@ void sparc_flush_page_to_ram(struct page *page)
 {
        unsigned long vaddr = (unsigned long)page_address(page);
 
-       if (vaddr)
-               __flush_page_to_ram(vaddr);
+       __flush_page_to_ram(vaddr);
 }
 EXPORT_SYMBOL(sparc_flush_page_to_ram);
 
+void sparc_flush_folio_to_ram(struct folio *folio)
+{
+       unsigned long vaddr = (unsigned long)folio_address(folio);
+       unsigned int i, nr = folio_nr_pages(folio);
+
+       for (i = 0; i < nr; i++)
+               __flush_page_to_ram(vaddr + i * PAGE_SIZE);
+}
+EXPORT_SYMBOL(sparc_flush_folio_to_ram);
+
 static const pgprot_t protection_map[16] = {
        [VM_NONE]                                       = PAGE_NONE,
        [VM_READ]                                       = PAGE_READONLY,