ARC: [mm] Aliasing VIPT dcache support 4/4

Enforce congruency of userspace shared mappings Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-05-09 19:20:43 +05:30
parent de2a852cc0
commit 5bba49f539
7 changed files with 101 additions and 5 deletions
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -395,6 +395,9 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,

 #include <asm-generic/pgtable.h>

+/* to cope with aliasing VIPT cache */
+#define HAVE_ARCH_UNMAPPED_AREA
+
 /*
 * No page table caches to initialise
 */