247 	size_t tsz;  in vmcoredd_copy_dumps()  local
253 			tsz = min(offset + (u64)dump->size - start, (u64)size);  in vmcoredd_copy_dumps()
255 			if (copy_to_iter(buf, tsz, iter) < tsz) {  in vmcoredd_copy_dumps()
260 			size -= tsz;  in vmcoredd_copy_dumps()
261 			start += tsz;  in vmcoredd_copy_dumps()
282 	size_t tsz;  in vmcoredd_mmap_dumps()  local
288 			tsz = min(offset + (u64)dump->size - start, (u64)size);  in vmcoredd_mmap_dumps()
291 							tsz)) {  in vmcoredd_mmap_dumps()
296 			size -= tsz;  in vmcoredd_mmap_dumps()
297 			start += tsz;  in vmcoredd_mmap_dumps()
298 			dst += tsz;  in vmcoredd_mmap_dumps()
320 	size_t tsz;  in __read_vmcore()  local
331 		tsz = min(elfcorebuf_sz - (size_t)*fpos, iov_iter_count(iter));  in __read_vmcore()
332 		if (copy_to_iter(elfcorebuf + *fpos, tsz, iter) < tsz)  in __read_vmcore()
334 		*fpos += tsz;  in __read_vmcore()
335 		acc += tsz;  in __read_vmcore()
358 			tsz = min(elfcorebuf_sz + vmcoredd_orig_sz -  in __read_vmcore()
361 			if (vmcoredd_copy_dumps(iter, start, tsz))  in __read_vmcore()
364 			*fpos += tsz;  in __read_vmcore()
365 			acc += tsz;  in __read_vmcore()
374 		tsz = min(elfcorebuf_sz + elfnotes_sz - (size_t)*fpos,  in __read_vmcore()
377 		if (copy_to_iter(kaddr, tsz, iter) < tsz)  in __read_vmcore()
380 		*fpos += tsz;  in __read_vmcore()
381 		acc += tsz;  in __read_vmcore()
392 			tsz = (size_t)min_t(unsigned long long,  in __read_vmcore()
396 			tmp = read_from_oldmem(iter, tsz, &start,  in __read_vmcore()
400 			*fpos += tsz;  in __read_vmcore()
401 			acc += tsz;  in __read_vmcore()
576 	u64 start, end, len, tsz;  in mmap_vmcore()  local
596 		tsz = min(elfcorebuf_sz - (size_t)start, size);  in mmap_vmcore()
598 		if (remap_pfn_range(vma, vma->vm_start, pfn, tsz,  in mmap_vmcore()
601 		size -= tsz;  in mmap_vmcore()
602 		start += tsz;  in mmap_vmcore()
603 		len += tsz;  in mmap_vmcore()
628 			tsz = min(elfcorebuf_sz + vmcoredd_orig_sz -  in mmap_vmcore()
632 						start_off, tsz))  in mmap_vmcore()
635 			size -= tsz;  in mmap_vmcore()
636 			start += tsz;  in mmap_vmcore()
637 			len += tsz;  in mmap_vmcore()
646 		tsz = min(elfcorebuf_sz + elfnotes_sz - (size_t)start, size);  in mmap_vmcore()
649 						kaddr, 0, tsz))  in mmap_vmcore()
652 		size -= tsz;  in mmap_vmcore()
653 		start += tsz;  in mmap_vmcore()
654 		len += tsz;  in mmap_vmcore()
664 			tsz = (size_t)min_t(unsigned long long,  in mmap_vmcore()
668 						    paddr >> PAGE_SHIFT, tsz,  in mmap_vmcore()
671 			size -= tsz;  in mmap_vmcore()
672 			start += tsz;  in mmap_vmcore()
673 			len += tsz;  in mmap_vmcore()