diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/mm/physaddr.c')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/mm/physaddr.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/ANDROID_3.4.5/arch/x86/mm/physaddr.c b/ANDROID_3.4.5/arch/x86/mm/physaddr.c deleted file mode 100644 index d2e27353..00000000 --- a/ANDROID_3.4.5/arch/x86/mm/physaddr.c +++ /dev/null @@ -1,70 +0,0 @@ -#include <linux/mmdebug.h> -#include <linux/module.h> -#include <linux/mm.h> - -#include <asm/page.h> - -#include "physaddr.h" - -#ifdef CONFIG_X86_64 - -unsigned long __phys_addr(unsigned long x) -{ - if (x >= __START_KERNEL_map) { - x -= __START_KERNEL_map; - VIRTUAL_BUG_ON(x >= KERNEL_IMAGE_SIZE); - x += phys_base; - } else { - VIRTUAL_BUG_ON(x < PAGE_OFFSET); - x -= PAGE_OFFSET; - VIRTUAL_BUG_ON(!phys_addr_valid(x)); - } - return x; -} -EXPORT_SYMBOL(__phys_addr); - -bool __virt_addr_valid(unsigned long x) -{ - if (x >= __START_KERNEL_map) { - x -= __START_KERNEL_map; - if (x >= KERNEL_IMAGE_SIZE) - return false; - x += phys_base; - } else { - if (x < PAGE_OFFSET) - return false; - x -= PAGE_OFFSET; - if (!phys_addr_valid(x)) - return false; - } - - return pfn_valid(x >> PAGE_SHIFT); -} -EXPORT_SYMBOL(__virt_addr_valid); - -#else - -#ifdef CONFIG_DEBUG_VIRTUAL -unsigned long __phys_addr(unsigned long x) -{ - /* VMALLOC_* aren't constants */ - VIRTUAL_BUG_ON(x < PAGE_OFFSET); - VIRTUAL_BUG_ON(__vmalloc_start_set && is_vmalloc_addr((void *) x)); - return x - PAGE_OFFSET; -} -EXPORT_SYMBOL(__phys_addr); -#endif - -bool __virt_addr_valid(unsigned long x) -{ - if (x < PAGE_OFFSET) - return false; - if (__vmalloc_start_set && is_vmalloc_addr((void *) x)) - return false; - if (x >= FIXADDR_START) - return false; - return pfn_valid((x - PAGE_OFFSET) >> PAGE_SHIFT); -} -EXPORT_SYMBOL(__virt_addr_valid); - -#endif /* CONFIG_X86_64 */ |