diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/pgalloc.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index 34b080671f0..f2e812de7c3 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -28,7 +28,12 @@ typedef struct pgtable_free { unsigned long val; } pgtable_free_t; -#define PGF_CACHENUM_MASK 0x7 +/* This needs to be big enough to allow for MMU_PAGE_COUNT + 2 to be stored + * and small enough to fit in the low bits of any naturally aligned page + * table cache entry. Arbitrarily set to 0x1f, that should give us some + * room to grow + */ +#define PGF_CACHENUM_MASK 0x1f static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, unsigned long mask) |