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| author |   Greg Ungerer <gerg@snapgear.com> | 2005-09-02 10:42:52 +1000 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-02 00:57:30 -0700 |
| commit | e70bd1160109f2b7e62222550a7af37910dba88a (patch) | |
| tree | ea46b9013d37c56f8784ae3d93667c5caca9e6b7 /include | |
| parent | [PATCH] m68knommu: use THREAD_SIZE instead of hard coded size (diff) | |
| download | linux-dev-e70bd1160109f2b7e62222550a7af37910dba88a.tar.xz linux-dev-e70bd1160109f2b7e62222550a7af37910dba88a.zip | |
[PATCH] m68knommu: need pfn_valid macro
Need pfn_valid macro, even on MMUless platforms.
Enclose the macro args of __pa and __va in parentheses.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-m68knommu/page.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/asm-m68knommu/page.h b/include/asm-m68knommu/page.h index 05e03df0ec29..ff6a9265ed1c 100644 --- a/include/asm-m68knommu/page.h +++ b/include/asm-m68knommu/page.h @@ -73,8 +73,8 @@ extern unsigned long memory_end; #ifndef __ASSEMBLY__ -#define __pa(vaddr) virt_to_phys((void *)vaddr) -#define __va(paddr) phys_to_virt((unsigned long)paddr) +#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) @@ -84,6 +84,7 @@ extern unsigned long memory_end; #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)) |