339 				    struct kexec_buf *kbuf)  in locate_mem_hole_top_down()  argument
341 	struct kimage *image = kbuf->image;  in locate_mem_hole_top_down()
344 	temp_end = min(end, kbuf->buf_max);  in locate_mem_hole_top_down()
345 	temp_start = temp_end - kbuf->memsz;  in locate_mem_hole_top_down()
349 		temp_start = temp_start & (~(kbuf->buf_align - 1));  in locate_mem_hole_top_down()
351 		if (temp_start < start || temp_start < kbuf->buf_min)  in locate_mem_hole_top_down()
354 		temp_end = temp_start + kbuf->memsz - 1;  in locate_mem_hole_top_down()
370 	kbuf->mem = temp_start;  in locate_mem_hole_top_down()
377 				     struct kexec_buf *kbuf)  in locate_mem_hole_bottom_up()  argument
379 	struct kimage *image = kbuf->image;  in locate_mem_hole_bottom_up()
382 	temp_start = max(start, kbuf->buf_min);  in locate_mem_hole_bottom_up()
385 		temp_start = ALIGN(temp_start, kbuf->buf_align);  in locate_mem_hole_bottom_up()
386 		temp_end = temp_start + kbuf->memsz - 1;  in locate_mem_hole_bottom_up()
388 		if (temp_end > end || temp_end > kbuf->buf_max)  in locate_mem_hole_bottom_up()
404 	kbuf->mem = temp_start;  in locate_mem_hole_bottom_up()
412 	struct kexec_buf *kbuf = (struct kexec_buf *)arg;  in locate_mem_hole_callback()  local
416 	if (sz < kbuf->memsz)  in locate_mem_hole_callback()
419 	if (end < kbuf->buf_min || start > kbuf->buf_max)  in locate_mem_hole_callback()
426 	if (kbuf->top_down)  in locate_mem_hole_callback()
427 		return locate_mem_hole_top_down(start, end, kbuf);  in locate_mem_hole_callback()
428 	return locate_mem_hole_bottom_up(start, end, kbuf);  in locate_mem_hole_callback()
442 	struct kexec_buf buf, *kbuf;  in kexec_add_buffer()  local
465 	kbuf = &buf;  in kexec_add_buffer()
466 	kbuf->image = image;  in kexec_add_buffer()
467 	kbuf->buffer = buffer;  in kexec_add_buffer()
468 	kbuf->bufsz = bufsz;  in kexec_add_buffer()
470 	kbuf->memsz = ALIGN(memsz, PAGE_SIZE);  in kexec_add_buffer()
471 	kbuf->buf_align = max(buf_align, PAGE_SIZE);  in kexec_add_buffer()
472 	kbuf->buf_min = buf_min;  in kexec_add_buffer()
473 	kbuf->buf_max = buf_max;  in kexec_add_buffer()
474 	kbuf->top_down = top_down;  in kexec_add_buffer()
480 				crashk_res.start, crashk_res.end, kbuf,  in kexec_add_buffer()
483 		ret = walk_system_ram_res(0, -1, kbuf,  in kexec_add_buffer()
492 	ksegment->kbuf = kbuf->buffer;  in kexec_add_buffer()
493 	ksegment->bufsz = kbuf->bufsz;  in kexec_add_buffer()
494 	ksegment->mem = kbuf->mem;  in kexec_add_buffer()
495 	ksegment->memsz = kbuf->memsz;  in kexec_add_buffer()
555 		if (ksegment->kbuf == pi->purgatory_buf)  in kexec_calculate_store_digests()
558 		ret = crypto_shash_update(desc, ksegment->kbuf,  in kexec_calculate_store_digests()