On Wed, 18 Jul 2018, Vlastimil Babka wrote:

+static const char *
+kmalloc_cache_name(const char *prefix, unsigned int size)
+{
+
+	static const char units[3] = "\0kM";
+	int idx = 0;
+
+	while (size >= 1024 && (size % 1024 == 0)) {
+		size /= 1024;
+		idx++;
+	}
+
+	return kasprintf(GFP_NOWAIT, "%s-%u%c", prefix, size, units[idx]);
+}

This is likely to occur elsewhere in the kernel. Maybe generalize it a
bit?

Acked-by: Christoph Lameter <redacted>