um: Serve io_remap_pfn_range()
commit 4d94d6d030adfdea4837694d293ec6918d133ab2 upstream.
At some places io_remap_pfn_range() is needed.
UML has to serve it like all other archs do.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index aa365c5..5888f1b 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -69,6 +69,8 @@
#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED)
#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC)
+#define io_remap_pfn_range remap_pfn_range
+
/*
* The i386 can't do page protection for execute, and considers that the same
* are read.
