diff options
| -rw-r--r-- | arch/x86/mm/fault.c | 10 | ||||
| -rw-r--r-- | arch/x86/mm/pageattr.c | 2 | ||||
| -rw-r--r-- | arch/x86/mm/pgtable_32.c | 19 | ||||
| -rw-r--r-- | include/asm-x86/pgtable.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/pgtable_32.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/pgtable_64.h | 3 |
6 files changed, 11 insertions, 27 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 72547a7e32c6..e28cc5277b16 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -907,10 +907,8 @@ do_sigbus: force_sig_info_fault(SIGBUS, BUS_ADRERR, address, tsk); } -#ifdef CONFIG_X86_64 DEFINE_SPINLOCK(pgd_lock); LIST_HEAD(pgd_list); -#endif void vmalloc_sync_all(void) { @@ -935,13 +933,11 @@ void vmalloc_sync_all(void) struct page *page; spin_lock_irqsave(&pgd_lock, flags); - for (page = pgd_list; page; page = - (struct page *)page->index) + list_for_each_entry(page, &pgd_list, lru) { if (!vmalloc_sync_one(page_address(page), - address)) { - BUG_ON(page != pgd_list); + address)) break; - } + } spin_unlock_irqrestore(&pgd_lock, flags); if (!page) set_bit(pgd_index(address), insync); diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index ec07c1873d65..1cc6607eacb0 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -175,7 +175,7 @@ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) if (!SHARED_KERNEL_PMD) { struct page *page; - for (page = pgd_list; page; page = (struct page *)page->index) { + list_for_each_entry(page, &pgd_list, lru) { pgd_t *pgd; pud_t *pud; pmd_t *pmd; diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c index 5ca3552474ae..2ae5999a795a 100644 --- a/arch/x86/mm/pgtable_32.c +++ b/arch/x86/mm/pgtable_32.c @@ -205,27 +205,18 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) * vmalloc faults work because attached pagetables are never freed. * -- wli */ -DEFINE_SPINLOCK(pgd_lock); -struct page *pgd_list; - static inline void pgd_list_add(pgd_t *pgd) { struct page *page = virt_to_page(pgd); - page->index = (unsigned long)pgd_list; - if (pgd_list) - set_page_private(pgd_list, (unsigned long)&page->index); - pgd_list = page; - set_page_private(page, (unsigned long)&pgd_list); + + list_add(&page->lru, &pgd_list); } static inline void pgd_list_del(pgd_t *pgd) { - struct page *next, **pprev, *page = virt_to_page(pgd); - next = (struct page *)page->index; - pprev = (struct page **)page_private(page); - *pprev = next; - if (next) - set_page_private(next, (unsigned long)pprev); + struct page *page = virt_to_page(pgd); + + list_del(&page->lru); } diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 269e7e29ea8e..cd2524f07452 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -131,6 +131,8 @@ extern pteval_t __PAGE_KERNEL, __PAGE_KERNEL_EXEC; extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]; #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) +extern spinlock_t pgd_lock; +extern struct list_head pgd_list; /* * The following only work if pte_present() is true. diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index 7b61cb5989b0..21e70fbf1dae 100644 --- a/include/asm-x86/pgtable_32.h +++ b/include/asm-x86/pgtable_32.h @@ -27,8 +27,6 @@ struct vm_area_struct; extern pgd_t swapper_pg_dir[1024]; extern struct kmem_cache *pmd_cache; -extern spinlock_t pgd_lock; -extern struct page *pgd_list; void check_pgt_cache(void); static inline void pgtable_cache_init(void) {} diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h index ce1dbab75e39..6e615a103c2f 100644 --- a/include/asm-x86/pgtable_64.h +++ b/include/asm-x86/pgtable_64.h @@ -240,9 +240,6 @@ static inline unsigned long pmd_bad(pmd_t pmd) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) -extern spinlock_t pgd_lock; -extern struct list_head pgd_list; - extern int kern_addr_valid(unsigned long addr); #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ |
