diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 1fe356cad7f6..dafcd9ff78df 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -58,11 +58,6 @@ #define CREATE_TRACE_POINTS #include <trace/events/thp.h> -/* Some sanity checking */ -#if TASK_SIZE_USER64 > PGTABLE_RANGE -#error TASK_SIZE_USER64 exceeds pagetable range -#endif - #ifdef CONFIG_PPC_STD_MMU_64 #if TASK_SIZE_USER64 > (1UL << (ESID_BITS + SID_SHIFT)) #error TASK_SIZE_USER64 exceeds user VSID range @@ -75,6 +70,28 @@ */ struct prtb_entry *process_tb; struct patb_entry *partition_tb; +/* + * page table size + */ +unsigned long __pte_index_size; +EXPORT_SYMBOL(__pte_index_size); +unsigned long __pmd_index_size; +EXPORT_SYMBOL(__pmd_index_size); +unsigned long __pud_index_size; +EXPORT_SYMBOL(__pud_index_size); +unsigned long __pgd_index_size; +EXPORT_SYMBOL(__pgd_index_size); +unsigned long __pmd_cache_index; +EXPORT_SYMBOL(__pmd_cache_index); +unsigned long __pte_table_size; +EXPORT_SYMBOL(__pte_table_size); +unsigned long __pmd_table_size; +EXPORT_SYMBOL(__pmd_table_size); +unsigned long __pud_table_size; +EXPORT_SYMBOL(__pud_table_size); +unsigned long __pgd_table_size; +EXPORT_SYMBOL(__pgd_table_size); + #endif unsigned long ioremap_bot = IOREMAP_BASE; @@ -739,12 +756,6 @@ pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, int has_transparent_hugepage(void) { - BUILD_BUG_ON_MSG((PMD_SHIFT - PAGE_SHIFT) >= MAX_ORDER, - "hugepages can't be allocated by the buddy allocator"); - - BUILD_BUG_ON_MSG((PMD_SHIFT - PAGE_SHIFT) < 2, - "We need more than 2 pages to do deferred thp split"); - if (!mmu_has_feature(MMU_FTR_16M_PAGE)) return 0; /* |
