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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/sh/mm/pg-nommu.c
downloadblackbird-op-linux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.gz
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Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'arch/sh/mm/pg-nommu.c')
-rw-r--r--arch/sh/mm/pg-nommu.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/sh/mm/pg-nommu.c b/arch/sh/mm/pg-nommu.c
new file mode 100644
index 000000000000..8f9165a4e333
--- /dev/null
+++ b/arch/sh/mm/pg-nommu.c
@@ -0,0 +1,36 @@
+/*
+ * arch/sh/mm/pg-nommu.c
+ *
+ * clear_page()/copy_page() implementation for MMUless SH.
+ *
+ * Copyright (C) 2003 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <asm/page.h>
+
+static void copy_page_nommu(void *to, void *from)
+{
+ memcpy(to, from, PAGE_SIZE);
+}
+
+static void clear_page_nommu(void *to)
+{
+ memset(to, 0, PAGE_SIZE);
+}
+
+static int __init pg_nommu_init(void)
+{
+ copy_page = copy_page_nommu;
+ clear_page = clear_page_nommu;
+
+ return 0;
+}
+
+subsys_initcall(pg_nommu_init);
+
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