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Diffstat (limited to 'include/asm-arm/arch-lh7a40x/vmalloc.h')
-rw-r--r--include/asm-arm/arch-lh7a40x/vmalloc.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-arm/arch-lh7a40x/vmalloc.h b/include/asm-arm/arch-lh7a40x/vmalloc.h
new file mode 100644
index 00000000000..5ac607925be
--- /dev/null
+++ b/include/asm-arm/arch-lh7a40x/vmalloc.h
@@ -0,0 +1,21 @@
+/* include/asm-arm/arch-lh7a40x/vmalloc.h
+ *
+ * Copyright (C) 2004 Coastal Environmental Systems
+ *
+ * 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.
+ *
+ */
+
+/*
+ * Just any arbitrary offset to the start of the vmalloc VM area: the
+ * current 8MB value just means that there will be a 8MB "hole" after
+ * the physical memory until the kernel virtual memory starts. That
+ * means that any out-of-bounds memory accesses will hopefully be
+ * caught. The vmalloc() routines leaves a hole of 4kB (one page)
+ * between each vmalloced area for the same reason. ;)
+ */
+#define VMALLOC_OFFSET (8*1024*1024)
+#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
+#define VMALLOC_END (0xe8000000)