mm: cma: print cma name as well in cma_alloc debug

CMA allocation can happen either from global cma or from dedicated cma
region.

Thus it is helpful to print cma name as well during initial
debugging to confirm cma regions were getting initialized or not.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Pintu Kumar <[email protected]>
Signed-off-by: Pintu Agarwal <[email protected]>
Cc: Minchan Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Pintu Kumar

mm/cma.c

@@ -436,8 +436,8 @@ struct page *cma_alloc(struct cma *cma, unsigned long count,
 	if (!cma || !cma->count || !cma->bitmap)
 		goto out;
 
-	pr_debug("%s(cma %p, count %lu, align %d)\n", __func__, (void *)cma,
-		 count, align);
+	pr_debug("%s(cma %p, name: %s, count %lu, align %d)\n", __func__,
+		(void *)cma, cma->name, count, align);
 
 	if (!count)
 		goto out;