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Diffstat (limited to 'arch/xtensa/include/asm/pgtable.h')
-rw-r--r--arch/xtensa/include/asm/pgtable.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index c90ea5bfa1b..d7546c94da5 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -410,6 +410,10 @@ typedef pte_t *pte_addr_t;
#define __HAVE_ARCH_PTEP_SET_WRPROTECT
#define __HAVE_ARCH_PTEP_MKDIRTY
#define __HAVE_ARCH_PTE_SAME
+/* We provide our own get_unmapped_area to cope with
+ * SHM area cache aliasing for userland.
+ */
+#define HAVE_ARCH_UNMAPPED_AREA
#include <asm-generic/pgtable.h>