diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/mmu_context_book3s64.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable-book3s64.c | 11 |
2 files changed, 8 insertions, 13 deletions
diff --git a/arch/powerpc/mm/mmu_context_book3s64.c b/arch/powerpc/mm/mmu_context_book3s64.c index b75194dff64c..87ee78973a35 100644 --- a/arch/powerpc/mm/mmu_context_book3s64.c +++ b/arch/powerpc/mm/mmu_context_book3s64.c @@ -159,9 +159,7 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) mm->context.id = index; -#ifdef CONFIG_PPC_64K_PAGES mm->context.pte_frag = NULL; -#endif #ifdef CONFIG_SPAPR_TCE_IOMMU mm_iommu_init(mm); #endif @@ -192,7 +190,6 @@ static void destroy_contexts(mm_context_t *ctx) spin_unlock(&mmu_context_lock); } -#ifdef CONFIG_PPC_64K_PAGES static void destroy_pagetable_page(struct mm_struct *mm) { int count; @@ -213,13 +210,6 @@ static void destroy_pagetable_page(struct mm_struct *mm) } } -#else -static inline void destroy_pagetable_page(struct mm_struct *mm) -{ - return; -} -#endif - void destroy_context(struct mm_struct *mm) { #ifdef CONFIG_SPAPR_TCE_IOMMU diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c index e4e1b2d4ca27..fc42cccb96c7 100644 --- a/arch/powerpc/mm/pgtable-book3s64.c +++ b/arch/powerpc/mm/pgtable-book3s64.c @@ -225,7 +225,7 @@ void mmu_partition_table_set_entry(unsigned int lpid, unsigned long dw0, asm volatile("eieio; tlbsync; ptesync" : : : "memory"); } EXPORT_SYMBOL_GPL(mmu_partition_table_set_entry); -#ifdef CONFIG_PPC_64K_PAGES + static pte_t *get_pte_from_cache(struct mm_struct *mm) { void *pte_frag, *ret; @@ -264,7 +264,14 @@ static pte_t *__alloc_for_ptecache(struct mm_struct *mm, int kernel) return NULL; } + ret = page_address(page); + /* + * if we support only one fragment just return the + * allocated page. + */ + if (PTE_FRAG_NR == 1) + return ret; spin_lock(&mm->page_table_lock); /* * If we find pgtable_page set, we return @@ -291,8 +298,6 @@ pte_t *pte_fragment_alloc(struct mm_struct *mm, unsigned long vmaddr, int kernel return __alloc_for_ptecache(mm, kernel); } -#endif /* CONFIG_PPC_64K_PAGES */ - void pte_fragment_free(unsigned long *table, int kernel) { struct page *page = virt_to_page(table); |