Merge tag 'for-linus-20191012' of git://git.kernel.dk/linux-block

[linux-2.6-microblaze.git] / arch / csky / abiv1 / cacheflush.c

diff --git a/arch/csky/abiv1/cacheflush.c b/arch/csky/abiv1/cacheflush.c
index fee99fc..9f1fe80 100644 (file)
--- a/arch/csky/abiv1/cacheflush.c
+++ b/arch/csky/abiv1/cacheflush.c
@@ -54,3 +54,23 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr,
                        icache_inv_all();
        }
 }
+
+void flush_kernel_dcache_page(struct page *page)
+{
+       struct address_space *mapping;
+
+       mapping = page_mapping_file(page);
+
+       if (!mapping || mapping_mapped(mapping))
+               dcache_wbinv_all();
+}
+EXPORT_SYMBOL(flush_kernel_dcache_page);
+
+void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
+       unsigned long end)
+{
+       dcache_wbinv_all();
+
+       if (vma->vm_flags & VM_EXEC)
+               icache_inv_all();
+}