MN10300: Map userspace atomic op regs as a vmalloc page

[karo-tx-linux.git] / arch / mn10300 / include / asm / pgtable.h

diff --git a/arch/mn10300/include/asm/pgtable.h b/arch/mn10300/include/asm/pgtable.h
index cd568bf5407ea03afcc9531e7cdaac3ca4783479..a1e894b5f65b9bab8e51d99010e80172c7696dd3 100644 (file)
--- a/arch/mn10300/include/asm/pgtable.h
+++ b/arch/mn10300/include/asm/pgtable.h
@@ -182,6 +182,9 @@ extern pte_t kernel_vmalloc_ptes[(VMALLOC_END - VMALLOC_START) / PAGE_SIZE];
 #define PAGE_KERNEL_LARGE      __pgprot(__PAGE_KERNEL_LARGE)
 #define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC)
 
+#define __PAGE_USERIO          (__PAGE_KERNEL_BASE | _PAGE_PROT_WKWU | _PAGE_NX)
+#define PAGE_USERIO            __pgprot(__PAGE_USERIO)
+
 /*
  * Whilst the MN10300 can do page protection for execute (given separate data
  * and insn TLBs), we are not supporting it at the moment. Write permission,