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-rw-r--r--arch/powerpc/mm/slice.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index b4e996a398bd..5829d2a950d4 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -34,6 +34,11 @@
#include <asm/mmu.h>
#include <asm/spu.h>
+/* some sanity checks */
+#if (PGTABLE_RANGE >> 43) > SLICE_MASK_SIZE
+#error PGTABLE_RANGE exceeds slice_mask high_slices size
+#endif
+
static DEFINE_SPINLOCK(slice_convert_lock);