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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2012-09-10 04:52:57 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-17 08:31:53 +0200 |
| commit | 78f1dbde9fd020419313c2a0c3b602ea2427118f (patch) | |
| tree | 9a5c34555b6fba6809ec33798e1aa53ce1ce0f53 /arch/powerpc/mm/slice.c | |
| parent | powerpc/mm: Update VSID allocation documentation (diff) | |
| download | linux-78f1dbde9fd020419313c2a0c3b602ea2427118f.tar.xz linux-78f1dbde9fd020419313c2a0c3b602ea2427118f.zip | |
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.c | 5 |
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); |