diff options
Diffstat (limited to 'include/asm-x86/page_64.h')
-rw-r--r-- | include/asm-x86/page_64.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h index f7393bc516e..6ea72859c49 100644 --- a/include/asm-x86/page_64.h +++ b/include/asm-x86/page_64.h @@ -5,7 +5,7 @@ #define THREAD_ORDER 1 #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) -#define CURRENT_MASK (~(THREAD_SIZE-1)) +#define CURRENT_MASK (~(THREAD_SIZE - 1)) #define EXCEPTION_STACK_ORDER 0 #define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) @@ -47,15 +47,18 @@ #define __PHYSICAL_MASK_SHIFT 46 #define __VIRTUAL_MASK_SHIFT 48 -#define KERNEL_TEXT_SIZE (40*1024*1024) -#define KERNEL_TEXT_START _AC(0xffffffff80000000, UL) +/* + * Kernel image size is limited to 512 MB (see level2_kernel_pgt in + * arch/x86/kernel/head_64.S), and it is mapped here: + */ +#define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) +#define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) #ifndef __ASSEMBLY__ void clear_page(void *page); void copy_page(void *to, void *from); extern unsigned long end_pfn; -extern unsigned long end_pfn_map; extern unsigned long phys_base; extern unsigned long __phys_addr(unsigned long); @@ -77,6 +80,9 @@ typedef struct { pteval_t pte; } pte_t; #define vmemmap ((struct page *)VMEMMAP_START) +extern unsigned long init_memory_mapping(unsigned long start, + unsigned long end); + #endif /* !__ASSEMBLY__ */ #ifdef CONFIG_FLATMEM |