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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 13:26:19 (GMT) |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 11:53:51 (GMT) |
| commit | a2f41eb99208adf4732529c4df1fd12b39f4c333 (patch) | |
| tree | eacbfd3f488d309ca50cfe5b3dbc14710eec7f33 /arch/powerpc/mm | |
| parent | 934828edfadc43be07e53429ce501741bedf4a5e (diff) | |
| download | linux-a2f41eb99208adf4732529c4df1fd12b39f4c333.tar.xz | |
powerpc/mm: Add radix pgalloc details
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 7 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable-radix.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 6 |
3 files changed, 17 insertions, 1 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index faaadef..64165a7 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -882,6 +882,13 @@ void __init hash__early_init_mmu(void) __pmd_table_size = H_PMD_TABLE_SIZE; __pud_table_size = H_PUD_TABLE_SIZE; __pgd_table_size = H_PGD_TABLE_SIZE; + /* + * 4k use hugepd format, so for hash set then to + * zero + */ + __pmd_val_bits = 0; + __pud_val_bits = 0; + __pgd_val_bits = 0; /* Initialize the MMU Hash table and create the linear mapping * of memory. Has to be done before SLB initialization as this is * currently where the page size encoding is obtained. diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index 04ec976..6182b6c 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -324,8 +324,11 @@ void __init radix__early_init_mmu(void) __pud_table_size = RADIX_PUD_TABLE_SIZE; __pgd_table_size = RADIX_PGD_TABLE_SIZE; - radix_init_page_sizes(); + __pmd_val_bits = RADIX_PMD_VAL_BITS; + __pud_val_bits = RADIX_PUD_VAL_BITS; + __pgd_val_bits = RADIX_PGD_VAL_BITS; + radix_init_page_sizes(); if (!firmware_has_feature(FW_FEATURE_LPAR)) radix_init_partition_table(); diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 326c3d4..b8c75e6 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -91,6 +91,12 @@ unsigned long __pud_table_size; EXPORT_SYMBOL(__pud_table_size); unsigned long __pgd_table_size; EXPORT_SYMBOL(__pgd_table_size); +unsigned long __pmd_val_bits; +EXPORT_SYMBOL(__pmd_val_bits); +unsigned long __pud_val_bits; +EXPORT_SYMBOL(__pud_val_bits); +unsigned long __pgd_val_bits; +EXPORT_SYMBOL(__pgd_val_bits); #endif unsigned long ioremap_bot = IOREMAP_BASE; |