199 	size_t tsz;  in vmcoredd_copy_dumps()  local
205 			tsz = min(offset + (u64)dump->size - start, (u64)size);  in vmcoredd_copy_dumps()
207 			if (copy_to(dst, buf, tsz, userbuf)) {  in vmcoredd_copy_dumps()
212 			size -= tsz;  in vmcoredd_copy_dumps()
213 			start += tsz;  in vmcoredd_copy_dumps()
214 			dst += tsz;  in vmcoredd_copy_dumps()
235 	size_t tsz;  in vmcoredd_mmap_dumps()  local
241 			tsz = min(offset + (u64)dump->size - start, (u64)size);  in vmcoredd_mmap_dumps()
243 			if (remap_vmalloc_range_partial(vma, dst, buf, tsz)) {  in vmcoredd_mmap_dumps()
248 			size -= tsz;  in vmcoredd_mmap_dumps()
249 			start += tsz;  in vmcoredd_mmap_dumps()
250 			dst += tsz;  in vmcoredd_mmap_dumps()
273 	size_t tsz;  in __read_vmcore()  local
286 		tsz = min(elfcorebuf_sz - (size_t)*fpos, buflen);  in __read_vmcore()
287 		if (copy_to(buffer, elfcorebuf + *fpos, tsz, userbuf))  in __read_vmcore()
289 		buflen -= tsz;  in __read_vmcore()
290 		*fpos += tsz;  in __read_vmcore()
291 		buffer += tsz;  in __read_vmcore()
292 		acc += tsz;  in __read_vmcore()
315 			tsz = min(elfcorebuf_sz + vmcoredd_orig_sz -  in __read_vmcore()
318 			if (vmcoredd_copy_dumps(buffer, start, tsz, userbuf))  in __read_vmcore()
321 			buflen -= tsz;  in __read_vmcore()
322 			*fpos += tsz;  in __read_vmcore()
323 			buffer += tsz;  in __read_vmcore()
324 			acc += tsz;  in __read_vmcore()
333 		tsz = min(elfcorebuf_sz + elfnotes_sz - (size_t)*fpos, buflen);  in __read_vmcore()
335 		if (copy_to(buffer, kaddr, tsz, userbuf))  in __read_vmcore()
338 		buflen -= tsz;  in __read_vmcore()
339 		*fpos += tsz;  in __read_vmcore()
340 		buffer += tsz;  in __read_vmcore()
341 		acc += tsz;  in __read_vmcore()
350 			tsz = (size_t)min_t(unsigned long long,  in __read_vmcore()
354 			tmp = read_from_oldmem(buffer, tsz, &start, userbuf);  in __read_vmcore()
357 			buflen -= tsz;  in __read_vmcore()
358 			*fpos += tsz;  in __read_vmcore()
359 			buffer += tsz;  in __read_vmcore()
360 			acc += tsz;  in __read_vmcore()
526 	u64 start, end, len, tsz;  in mmap_vmcore()  local
547 		tsz = min(elfcorebuf_sz - (size_t)start, size);  in mmap_vmcore()
549 		if (remap_pfn_range(vma, vma->vm_start, pfn, tsz,  in mmap_vmcore()
552 		size -= tsz;  in mmap_vmcore()
553 		start += tsz;  in mmap_vmcore()
554 		len += tsz;  in mmap_vmcore()
579 			tsz = min(elfcorebuf_sz + vmcoredd_orig_sz -  in mmap_vmcore()
583 						start_off, tsz))  in mmap_vmcore()
586 			size -= tsz;  in mmap_vmcore()
587 			start += tsz;  in mmap_vmcore()
588 			len += tsz;  in mmap_vmcore()
597 		tsz = min(elfcorebuf_sz + elfnotes_sz - (size_t)start, size);  in mmap_vmcore()
600 						kaddr, tsz))  in mmap_vmcore()
603 		size -= tsz;  in mmap_vmcore()
604 		start += tsz;  in mmap_vmcore()
605 		len += tsz;  in mmap_vmcore()
615 			tsz = (size_t)min_t(unsigned long long,  in mmap_vmcore()
619 						    paddr >> PAGE_SHIFT, tsz,  in mmap_vmcore()
622 			size -= tsz;  in mmap_vmcore()
623 			start += tsz;  in mmap_vmcore()
624 			len += tsz;  in mmap_vmcore()