diff options
Diffstat (limited to 'arch/tile/mm/pgtable.c')
| -rw-r--r-- | arch/tile/mm/pgtable.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c index 2410aa899b3..3d7074347e6 100644 --- a/arch/tile/mm/pgtable.c +++ b/arch/tile/mm/pgtable.c @@ -289,13 +289,12 @@ void pgd_free(struct mm_struct *mm, pgd_t *pgd) #define L2_USER_PGTABLE_PAGES (1 << L2_USER_PGTABLE_ORDER) -struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) +struct page *pgtable_alloc_one(struct mm_struct *mm, unsigned long address, + int order) { gfp_t flags = GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO; struct page *p; -#if L2_USER_PGTABLE_ORDER > 0 int i; -#endif #ifdef CONFIG_HIGHPTE flags |= __GFP_HIGHMEM; @@ -305,17 +304,15 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) if (p == NULL) return NULL; -#if L2_USER_PGTABLE_ORDER > 0 /* * Make every page have a page_count() of one, not just the first. * We don't use __GFP_COMP since it doesn't look like it works * correctly with tlb_remove_page(). */ - for (i = 1; i < L2_USER_PGTABLE_PAGES; ++i) { + for (i = 1; i < order; ++i) { init_page_count(p+i); inc_zone_page_state(p+i, NR_PAGETABLE); } -#endif pgtable_page_ctor(p); return p; @@ -326,28 +323,28 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) * process). We have to correct whatever pte_alloc_one() did before * returning the pages to the allocator. */ -void pte_free(struct mm_struct *mm, struct page *p) +void pgtable_free(struct mm_struct *mm, struct page *p, int order) { int i; pgtable_page_dtor(p); __free_page(p); - for (i = 1; i < L2_USER_PGTABLE_PAGES; ++i) { + for (i = 1; i < order; ++i) { __free_page(p+i); dec_zone_page_state(p+i, NR_PAGETABLE); } } -void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte, - unsigned long address) +void __pgtable_free_tlb(struct mmu_gather *tlb, struct page *pte, + unsigned long address, int order) { int i; pgtable_page_dtor(pte); tlb_remove_page(tlb, pte); - for (i = 1; i < L2_USER_PGTABLE_PAGES; ++i) { + for (i = 1; i < order; ++i) { tlb_remove_page(tlb, pte + i); dec_zone_page_state(pte + i, NR_PAGETABLE); } @@ -490,7 +487,7 @@ void set_pte(pte_t *ptep, pte_t pte) /* Can this mm load a PTE with cached_priority set? */ static inline int mm_is_priority_cached(struct mm_struct *mm) { - return mm->context.priority_cached; + return mm->context.priority_cached != 0; } /* @@ -500,8 +497,8 @@ static inline int mm_is_priority_cached(struct mm_struct *mm) void start_mm_caching(struct mm_struct *mm) { if (!mm_is_priority_cached(mm)) { - mm->context.priority_cached = -1U; - hv_set_caching(-1U); + mm->context.priority_cached = -1UL; + hv_set_caching(-1UL); } } @@ -516,7 +513,7 @@ void start_mm_caching(struct mm_struct *mm) * Presumably we'll come back later and have more luck and clear * the value then; for now we'll just keep the cache marked for priority. */ -static unsigned int update_priority_cached(struct mm_struct *mm) +static unsigned long update_priority_cached(struct mm_struct *mm) { if (mm->context.priority_cached && down_write_trylock(&mm->mmap_sem)) { struct vm_area_struct *vm; |