diff --git a/fs/proc/base.c b/fs/proc/base.c
index 9b304f19fd21..a81aa64faa38 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -868,7 +868,7 @@ static ssize_t mem_rw(struct file *file, char __user *buf,
 		flags |= FOLL_WRITE;
 
 	while (count > 0) {
-		int this_len = min_t(int, count, PAGE_SIZE);
+		size_t this_len = min_t(size_t, count, PAGE_SIZE);
 
 		if (write && copy_from_user(page, buf, this_len)) {
 			copied = -EFAULT;