diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index c8a11fcecf4c67b8df5ffadfb403e5d71e1c0d9f..a9bc578e4c52e57caa1f3d297cee5417f18722d1 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -722,7 +722,10 @@ void flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned lon
 		return;
 
 	if (parisc_requires_coherency()) {
-		flush_user_cache_page(vma, vmaddr);
+		if (vma->vm_flags & VM_SHARED)
+			flush_data_cache();
+		else
+			flush_user_cache_page(vma, vmaddr);
 		return;
 	}