From: Greg Ungerer Date: Fri, 2 Sep 2005 00:42:52 +0000 (+1000) Subject: [PATCH] m68knommu: need pfn_valid macro X-Git-Tag: v2.6.14-rc1~1006 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e70bd1160109f2b7e62222550a7af37910dba88a;p=profile%2Fivi%2Fkernel-x86-ivi.git [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 Signed-off-by: Linus Torvalds --- diff --git a/include/asm-m68knommu/page.h b/include/asm-m68knommu/page.h index 05e03df..ff6a926 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))