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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-10-11 13:55:04 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-10-11 13:55:04 +0400
commita0f0dd57f4a85310d9936f1770a0424b49fef876 (patch)
tree2f85b8b67dda13d19b02ca39e0fbef921cb1cf8b /arch/arm64/mm/copypage.c
parent2a552d5e63d7fa602c9a9a0717008737f55625a6 (diff)
parent846a136881b8f73c1f74250bf6acfaa309cab1f2 (diff)
downloadlinux-a0f0dd57f4a85310d9936f1770a0424b49fef876.tar.xz
Merge branch 'fixes' into for-linus
Conflicts: arch/arm/kernel/smp.c
Diffstat (limited to 'arch/arm64/mm/copypage.c')
-rw-r--r--arch/arm64/mm/copypage.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm64/mm/copypage.c b/arch/arm64/mm/copypage.c
new file mode 100644
index 000000000000..9aecbace4128
--- /dev/null
+++ b/arch/arm64/mm/copypage.c
@@ -0,0 +1,34 @@
+/*
+ * Based on arch/arm/mm/copypage.c
+ *
+ * Copyright (C) 2002 Deep Blue Solutions Ltd, All Rights Reserved.
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/mm.h>
+
+#include <asm/page.h>
+#include <asm/cacheflush.h>
+
+void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
+{
+ copy_page(kto, kfrom);
+ __flush_dcache_area(kto, PAGE_SIZE);
+}
+
+void __cpu_clear_user_page(void *kaddr, unsigned long vaddr)
+{
+ clear_page(kaddr);
+}