187 int __weak remap_oldmem_pfn_range(struct vm_area_struct *vma,  in remap_oldmem_pfn_range()  argument
192 	return remap_pfn_range(vma, from, pfn, size, prot);  in remap_oldmem_pfn_range()
255 static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, unsigned long dst,  in vmcoredd_mmap_dumps()  argument
269 			if (remap_vmalloc_range_partial(vma, dst, buf, tsz)) {  in vmcoredd_mmap_dumps()
414 	struct address_space *mapping = vmf->vma->vm_file->f_mapping;  in mmap_vmcore_fault()
486 static int remap_oldmem_pfn_checked(struct vm_area_struct *vma,  in remap_oldmem_pfn_checked()  argument
508 				if (remap_oldmem_pfn_range(vma, from + len,  in remap_oldmem_pfn_checked()
515 			if (remap_oldmem_pfn_range(vma, from + len,  in remap_oldmem_pfn_checked()
526 		if (remap_oldmem_pfn_range(vma, from + len, pos_start,  in remap_oldmem_pfn_checked()
532 	do_munmap(vma->vm_mm, from, len, NULL);  in remap_oldmem_pfn_checked()
536 static int vmcore_remap_oldmem_pfn(struct vm_area_struct *vma,  in vmcore_remap_oldmem_pfn()  argument
545 		return remap_oldmem_pfn_checked(vma, from, pfn, size, prot);  in vmcore_remap_oldmem_pfn()
547 		return remap_oldmem_pfn_range(vma, from, pfn, size, prot);  in vmcore_remap_oldmem_pfn()
550 static int mmap_vmcore(struct file *file, struct vm_area_struct *vma)  in mmap_vmcore()  argument
552 	size_t size = vma->vm_end - vma->vm_start;  in mmap_vmcore()
556 	start = (u64)vma->vm_pgoff << PAGE_SHIFT;  in mmap_vmcore()
562 	if (vma->vm_flags & (VM_WRITE | VM_EXEC))  in mmap_vmcore()
565 	vma->vm_flags &= ~(VM_MAYWRITE | VM_MAYEXEC);  in mmap_vmcore()
566 	vma->vm_flags |= VM_MIXEDMAP;  in mmap_vmcore()
567 	vma->vm_ops = &vmcore_mmap_ops;  in mmap_vmcore()
576 		if (remap_pfn_range(vma, vma->vm_start, pfn, tsz,  in mmap_vmcore()
577 				    vma->vm_page_prot))  in mmap_vmcore()
609 			if (vmcoredd_mmap_dumps(vma, vma->vm_start + len,  in mmap_vmcore()
626 		if (remap_vmalloc_range_partial(vma, vma->vm_start + len,  in mmap_vmcore()
645 			if (vmcore_remap_oldmem_pfn(vma, vma->vm_start + len,  in mmap_vmcore()
647 						    vma->vm_page_prot))  in mmap_vmcore()
660 	do_munmap(vma->vm_mm, vma->vm_start, len, NULL);  in mmap_vmcore()
664 static int mmap_vmcore(struct file *file, struct vm_area_struct *vma)  in mmap_vmcore()  argument