diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2013-05-12 00:33:19 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-05-14 06:36:17 +0200 |
| commit | 613e60a66181acc5c8b63268e939622162da2393 (patch) | |
| tree | 83bacb8d2ff1861a3fa5208b5d24953a0555d9db | |
| parent | powerpc: hard_irq_disable(): Call trace_hardirqs_off after disabling (diff) | |
| download | linux-613e60a66181acc5c8b63268e939622162da2393.tar.xz linux-613e60a66181acc5c8b63268e939622162da2393.zip | |
powerpc/mm: Use the correct mask value when looking at pgtable address
Our pgtable are 2*sizeof(pte_t)*PTRS_PER_PTE which is PTE_FRAG_SIZE.
Instead of depending on frag size, mask with PMD_MASKED_BITS.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/pgalloc-64.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h index 91acb12bac92..b66ae722a8e9 100644 --- a/arch/powerpc/include/asm/pgalloc-64.h +++ b/arch/powerpc/include/asm/pgalloc-64.h @@ -186,7 +186,7 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, static inline pgtable_t pmd_pgtable(pmd_t pmd) { - return (pgtable_t)(pmd_val(pmd) & -sizeof(pte_t)*PTRS_PER_PTE); + return (pgtable_t)(pmd_val(pmd) & ~PMD_MASKED_BITS); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, |