Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/perf/tests/mem2node.c b/tools/perf/tests/mem2node.c
index 9e9e4d3..a258bd5 100644
--- a/tools/perf/tests/mem2node.c
+++ b/tools/perf/tests/mem2node.c
@@ -1,6 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/bitmap.h>
-#include "cpumap.h"
+#include <linux/kernel.h>
+#include <linux/zalloc.h>
+#include <perf/cpumap.h>
+#include <internal/cpumap.h>
+#include "debug.h"
+#include "env.h"
 #include "mem2node.h"
 #include "tests.h"
 
@@ -17,7 +23,7 @@
 
 static unsigned long *get_bitmap(const char *str, int nbits)
 {
-	struct cpu_map *map = cpu_map__new(str);
+	struct perf_cpu_map *map = perf_cpu_map__new(str);
 	unsigned long *bm = NULL;
 	int i;
 
@@ -30,7 +36,7 @@
 	}
 
 	if (map)
-		cpu_map__put(map);
+		perf_cpu_map__put(map);
 	else
 		free(bm);
 
@@ -66,7 +72,7 @@
 	T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));
 
 	for (i = 0; i < ARRAY_SIZE(nodes); i++)
-		free(nodes[i].set);
+		zfree(&nodes[i].set);
 
 	mem2node__exit(&map);
 	return 0;