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author | Ingo Molnar <mingo@elte.hu> | 2009-02-11 09:22:04 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-02-11 09:22:04 +0100 |
commit | 95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c (patch) | |
tree | aa2aac22a5b329b778a6771a87bbf1945ad49bbd /arch/m68k/include/asm/page_no.h | |
parent | d278c48435625cb6b7edcf6a547620768b175709 (diff) | |
parent | 8e4921515c1a379539607eb443d51c30f4f7f338 (diff) | |
download | op-kernel-dev-95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c.zip op-kernel-dev-95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c.tar.gz |
Merge commit 'v2.6.29-rc4' into perfcounters/core
Conflicts:
arch/x86/kernel/setup_percpu.c
arch/x86/mm/fault.c
drivers/acpi/processor_idle.c
kernel/irq/handle.c
Diffstat (limited to 'arch/m68k/include/asm/page_no.h')
-rw-r--r-- | arch/m68k/include/asm/page_no.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h new file mode 100644 index 0000000..3a1ede4 --- /dev/null +++ b/arch/m68k/include/asm/page_no.h @@ -0,0 +1,77 @@ +#ifndef _M68KNOMMU_PAGE_H +#define _M68KNOMMU_PAGE_H + +/* PAGE_SHIFT determines the page size */ + +#define PAGE_SHIFT (12) +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#include <asm/setup.h> + +#ifndef __ASSEMBLY__ + +#define get_user_page(vaddr) __get_free_page(GFP_KERNEL) +#define free_user_page(page, addr) free_page(addr) + +#define clear_page(page) memset((page), 0, PAGE_SIZE) +#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) + +#define clear_user_page(page, vaddr, pg) clear_page(page) +#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) + +#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ + alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) +#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE + +/* + * These are used to make use of C type-checking.. + */ +typedef struct { unsigned long pte; } pte_t; +typedef struct { unsigned long pmd[16]; } pmd_t; +typedef struct { unsigned long pgd; } pgd_t; +typedef struct { unsigned long pgprot; } pgprot_t; +typedef struct page *pgtable_t; + +#define pte_val(x) ((x).pte) +#define pmd_val(x) ((&x)->pmd[0]) +#define pgd_val(x) ((x).pgd) +#define pgprot_val(x) ((x).pgprot) + +#define __pte(x) ((pte_t) { (x) } ) +#define __pmd(x) ((pmd_t) { (x) } ) +#define __pgd(x) ((pgd_t) { (x) } ) +#define __pgprot(x) ((pgprot_t) { (x) } ) + +extern unsigned long memory_start; +extern unsigned long memory_end; + +#endif /* !__ASSEMBLY__ */ + +#include <asm/page_offset.h> + +#define PAGE_OFFSET (PAGE_OFFSET_RAW) + +#ifndef __ASSEMBLY__ + +#define __pa(vaddr) virt_to_phys((void *)(vaddr)) +#define __va(paddr) phys_to_virt((unsigned long)(paddr)) + +#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) +#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT) + +#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)) +#define page_to_virt(page) ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) + +#define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn)) +#define page_to_pfn(page) virt_to_pfn(page_to_virt(page)) +#define pfn_valid(pfn) ((pfn) < max_mapnr) + +#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ + ((void *)(kaddr) < (void *)memory_end)) + +#endif /* __ASSEMBLY__ */ + +#include <asm-generic/page.h> + +#endif /* _M68KNOMMU_PAGE_H */ |