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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2012-09-10 02:52:57 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-09-17 16:31:53 +1000
commit78f1dbde9fd020419313c2a0c3b602ea2427118f (patch)
tree9a5c34555b6fba6809ec33798e1aa53ce1ce0f53 /arch/powerpc/mm/slice.c
parentf033d659c3b931d8b2a16625155e20304e173c9f (diff)
powerpc/mm: Make some of the PGTABLE_RANGE dependency explicit
slice array size and slice mask size depend on PGTABLE_RANGE. Reviewed-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm/slice.c')
-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);