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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 13:48:37 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:19 -0700
commit8569c9140bd41089f9b6be8837ca421102714a90 (patch)
treecd289b322b215fe2ca2530aa320febfd99388d7f /arch/um/include/shared/mem.h
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
downloadlinux-8569c9140bd41089f9b6be8837ca421102714a90.tar.bz2
x86, um: take arch/um/include/* out of the way
We can't just plop asm/* into it - userland helpers are built with it in search path and seeing asm/* show up there suddenly would be a bad idea. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/um/include/shared/mem.h')
-rw-r--r--arch/um/include/shared/mem.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/um/include/shared/mem.h b/arch/um/include/shared/mem.h
new file mode 100644
index 000000000000..5cd40e99e8d5
--- /dev/null
+++ b/arch/um/include/shared/mem.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __MEM_H__
+#define __MEM_H__
+
+extern int phys_mapping(unsigned long phys, unsigned long long *offset_out);
+
+extern unsigned long uml_physmem;
+static inline unsigned long to_phys(void *virt)
+{
+ return(((unsigned long) virt) - uml_physmem);
+}
+
+static inline void *to_virt(unsigned long phys)
+{
+ return((void *) uml_physmem + phys);
+}
+
+#endif