mm/numa_memblks: Use pr_debug instead of printk(KERN_DEBUG)

Replace the direct usage of printk(KERN_DEBUG ...) with pr_debug(...) to
align with the consistent `pr_*` API usage within the file.

Reviewed-by: Joshua Hahn <[email protected]>
Signed-off-by: Pratyush Brahma <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mike Rapoport (Microsoft) <[email protected]>

Author: pratyushbrahma

mm/numa_memblks.c

@@ -76,7 +76,7 @@ static int __init numa_alloc_distance(void)
 		for (j = 0; j < cnt; j++)
 			numa_distance[i * cnt + j] = i == j ?
 				LOCAL_DISTANCE : REMOTE_DISTANCE;
-	printk(KERN_DEBUG "NUMA: Initialized distance table, cnt=%d\n", cnt);
+	pr_debug("NUMA: Initialized distance table, cnt=%d\n", cnt);
 
 	return 0;
 }