diff options
| -rw-r--r-- | arch/ia64/kernel/ia64_ksyms.c | 1 | ||||
| -rw-r--r-- | include/asm-ia64/page.h | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index 01572814abe..5db9d3bcbbc 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -42,6 +42,7 @@ EXPORT_SYMBOL(clear_page); #ifdef CONFIG_VIRTUAL_MEM_MAP #include <linux/bootmem.h> +EXPORT_SYMBOL(min_low_pfn); /* defined by bootmem.c, but not exported by generic code */ EXPORT_SYMBOL(max_low_pfn); /* defined by bootmem.c, but not exported by generic code */ #endif diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h index 9dd9da10527..5e6362a786b 100644 --- a/include/asm-ia64/page.h +++ b/include/asm-ia64/page.h @@ -110,8 +110,9 @@ extern int ia64_pfn_valid (unsigned long pfn); # define pfn_to_page(pfn) (mem_map + (pfn)) #elif defined(CONFIG_DISCONTIGMEM) extern struct page *vmem_map; +extern unsigned long min_low_pfn; extern unsigned long max_low_pfn; -# define pfn_valid(pfn) (((pfn) < max_low_pfn) && ia64_pfn_valid(pfn)) +# define pfn_valid(pfn) (((pfn) >= min_low_pfn) && ((pfn) < max_low_pfn) && ia64_pfn_valid(pfn)) # define page_to_pfn(page) ((unsigned long) (page - vmem_map)) # define pfn_to_page(pfn) (vmem_map + (pfn)) #endif |