diff options
Diffstat (limited to 'include/asm-s390/pgtable.h')
-rw-r--r-- | include/asm-s390/pgtable.h | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h index 1a07028d575e..ecdff13b2505 100644 --- a/include/asm-s390/pgtable.h +++ b/include/asm-s390/pgtable.h @@ -31,9 +31,9 @@ * the S390 page table tree. */ #ifndef __ASSEMBLY__ +#include <linux/mm_types.h> #include <asm/bug.h> #include <asm/processor.h> -#include <linux/threads.h> struct vm_area_struct; /* forward declaration (include/linux/mm.h) */ struct mm_struct; @@ -554,9 +554,10 @@ static inline void __ptep_ipte(unsigned long address, pte_t *ptep) /* ipte in zarch mode can do the math */ pte_t *pto = ptep; #endif - asm volatile ("ipte %2,%3" - : "=m" (*ptep) : "m" (*ptep), - "a" (pto), "a" (address) ); + asm volatile( + " ipte %2,%3" + : "=m" (*ptep) : "m" (*ptep), + "a" (pto), "a" (address)); } pte_val(*ptep) = _PAGE_TYPE_EMPTY; } @@ -596,30 +597,31 @@ ptep_establish(struct vm_area_struct *vma, * should therefore only be called if it is not mapped in any * address space. */ -#define page_test_and_clear_dirty(_page) \ -({ \ - struct page *__page = (_page); \ - unsigned long __physpage = __pa((__page-mem_map) << PAGE_SHIFT); \ - int __skey = page_get_storage_key(__physpage); \ - if (__skey & _PAGE_CHANGED) \ - page_set_storage_key(__physpage, __skey & ~_PAGE_CHANGED);\ - (__skey & _PAGE_CHANGED); \ -}) +static inline int page_test_and_clear_dirty(struct page *page) +{ + unsigned long physpage = __pa((page - mem_map) << PAGE_SHIFT); + int skey = page_get_storage_key(physpage); + + if (skey & _PAGE_CHANGED) + page_set_storage_key(physpage, skey & ~_PAGE_CHANGED); + return skey & _PAGE_CHANGED; +} /* * Test and clear referenced bit in storage key. */ -#define page_test_and_clear_young(page) \ -({ \ - struct page *__page = (page); \ - unsigned long __physpage = __pa((__page-mem_map) << PAGE_SHIFT); \ - int __ccode; \ - asm volatile ("rrbe 0,%1\n\t" \ - "ipm %0\n\t" \ - "srl %0,28\n\t" \ - : "=d" (__ccode) : "a" (__physpage) : "cc" ); \ - (__ccode & 2); \ -}) +static inline int page_test_and_clear_young(struct page *page) +{ + unsigned long physpage = __pa((page - mem_map) << PAGE_SHIFT); + int ccode; + + asm volatile ( + "rrbe 0,%1\n" + "ipm %0\n" + "srl %0,28\n" + : "=d" (ccode) : "a" (physpage) : "cc" ); + return ccode & 2; +} /* * Conversion functions: convert a page and protection to a page entry, @@ -632,43 +634,41 @@ static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot) return __pte; } -#define mk_pte(pg, pgprot) \ -({ \ - struct page *__page = (pg); \ - pgprot_t __pgprot = (pgprot); \ - unsigned long __physpage = __pa((__page-mem_map) << PAGE_SHIFT); \ - pte_t __pte = mk_pte_phys(__physpage, __pgprot); \ - __pte; \ -}) +static inline pte_t mk_pte(struct page *page, pgprot_t pgprot) +{ + unsigned long physpage = __pa((page - mem_map) << PAGE_SHIFT); + + return mk_pte_phys(physpage, pgprot); +} + +static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot) +{ + unsigned long physpage = __pa((pfn) << PAGE_SHIFT); -#define pfn_pte(pfn, pgprot) \ -({ \ - pgprot_t __pgprot = (pgprot); \ - unsigned long __physpage = __pa((pfn) << PAGE_SHIFT); \ - pte_t __pte = mk_pte_phys(__physpage, __pgprot); \ - __pte; \ -}) + return mk_pte_phys(physpage, pgprot); +} #ifdef __s390x__ -#define pfn_pmd(pfn, pgprot) \ -({ \ - pgprot_t __pgprot = (pgprot); \ - unsigned long __physpage = __pa((pfn) << PAGE_SHIFT); \ - pmd_t __pmd = __pmd(__physpage + pgprot_val(__pgprot)); \ - __pmd; \ -}) +static inline pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot) +{ + unsigned long physpage = __pa((pfn) << PAGE_SHIFT); + + return __pmd(physpage + pgprot_val(pgprot)); +} #endif /* __s390x__ */ #define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT) #define pte_page(x) pfn_to_page(pte_pfn(x)) -#define pmd_page_kernel(pmd) (pmd_val(pmd) & PAGE_MASK) +#define pmd_page_vaddr(pmd) (pmd_val(pmd) & PAGE_MASK) #define pmd_page(pmd) (mem_map+(pmd_val(pmd) >> PAGE_SHIFT)) -#define pgd_page_kernel(pgd) (pgd_val(pgd) & PAGE_MASK) +#define pgd_page_vaddr(pgd) (pgd_val(pgd) & PAGE_MASK) + +#define pgd_page(pgd) (mem_map+(pgd_val(pgd) >> PAGE_SHIFT)) /* to find an entry in a page-table-directory */ #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) @@ -690,14 +690,14 @@ static inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address) /* Find an entry in the second-level page table.. */ #define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) #define pmd_offset(dir,addr) \ - ((pmd_t *) pgd_page_kernel(*(dir)) + pmd_index(addr)) + ((pmd_t *) pgd_page_vaddr(*(dir)) + pmd_index(addr)) #endif /* __s390x__ */ /* Find an entry in the third-level page table.. */ #define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE-1)) #define pte_offset_kernel(pmd, address) \ - ((pte_t *) pmd_page_kernel(*(pmd)) + pte_index(address)) + ((pte_t *) pmd_page_vaddr(*(pmd)) + pte_index(address)) #define pte_offset_map(pmd, address) pte_offset_kernel(pmd, address) #define pte_offset_map_nested(pmd, address) pte_offset_kernel(pmd, address) #define pte_unmap(pte) do { } while (0) |