diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/32/pgalloc.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/32/pgalloc.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h index 3633502e102c..998317702630 100644 --- a/arch/powerpc/include/asm/book3s/32/pgalloc.h +++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h @@ -5,28 +5,6 @@ #include <linux/threads.h> #include <linux/slab.h> -/* - * Functions that deal with pagetables that could be at any level of - * the table need to be passed an "index_size" so they know how to - * handle allocation. For PTE pages (which are linked to a struct - * page for now, and drawn from the main get_free_pages() pool), the - * allocation size will be (2^index_size * sizeof(pointer)) and - * allocations are drawn from the kmem_cache in PGT_CACHE(index_size). - * - * The maximum index size needs to be big enough to allow any - * pagetable sizes we need, but small enough to fit in the low bits of - * any page table pointer. In other words all pagetables, even tiny - * ones, must be aligned to allow at least enough low 0 bits to - * contain this value. This value is also used as a mask, so it must - * be one less than a power of two. - */ -#define MAX_PGTABLE_INDEX_SIZE 0xf - -extern void __bad_pte(pmd_t *pmd); - -extern struct kmem_cache *pgtable_cache[]; -#define PGT_CACHE(shift) pgtable_cache[shift] - static inline pgd_t *pgd_alloc(struct mm_struct *mm) { return kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), @@ -59,24 +37,6 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, *pmdp = __pmd(__pa(pte_page) | _PMD_PRESENT); } -#define pmd_pgtable(pmd) ((pgtable_t)pmd_page_vaddr(pmd)) - -extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); -extern pgtable_t pte_alloc_one(struct mm_struct *mm); -void pte_frag_destroy(void *pte_frag); -pte_t *pte_fragment_alloc(struct mm_struct *mm, int kernel); -void pte_fragment_free(unsigned long *table, int kernel); - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - pte_fragment_free((unsigned long *)pte, 1); -} - -static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) -{ - pte_fragment_free((unsigned long *)ptepage, 0); -} - static inline void pgtable_free(void *table, unsigned index_size) { if (!index_size) { @@ -87,7 +47,6 @@ static inline void pgtable_free(void *table, unsigned index_size) } } -#define check_pgt_cache() do { } while (0) #define get_hugepd_cache_index(x) (x) #ifdef CONFIG_SMP |