{
if (!valid_mmap_phys_addr_range(pgoff, len))
return (unsigned long) -EINVAL;
- return pgoff;
+ return pgoff << PAGE_SHIFT;
}
/* can't do an in-place private mapping if there's no MMU */
{
unsigned long pfn;
- /* Turn a pfn offset into an absolute pfn */
- pfn = PFN_DOWN(virt_to_phys((void *)PAGE_OFFSET)) + vma->vm_pgoff;
+ /* Turn a kernel-virtual address into a physical page frame */
+ pfn = __pa((u64)vma->vm_pgoff << PAGE_SHIFT) >> PAGE_SHIFT;
/*
* RED-PEN: on some architectures there is more mapped memory