patch-2.4.22 linux-2.4.22/include/linux/highmem.h

• Lines: 16
• Date: 2003-08-25 04:44:44.000000000 -0700
• Orig file: linux-2.4.21/include/linux/highmem.h
• Orig date: 2003-06-13 07:51:38.000000000 -0700

diff -urN linux-2.4.21/include/linux/highmem.h linux-2.4.22/include/linux/highmem.h
@@ -121,4 +121,15 @@
 	kunmap_atomic(vto, KM_USER1);
 }
 
+static inline void copy_highpage(struct page *to, struct page *from)
+{
+	char *vfrom, *vto;
+
+	vfrom = kmap_atomic(from, KM_USER0);
+	vto = kmap_atomic(to, KM_USER1);
+	copy_page(vto, vfrom);
+	kunmap_atomic(vfrom, KM_USER0);
+	kunmap_atomic(vto, KM_USER1);
+}
+
 #endif /* _LINUX_HIGHMEM_H */