From a04e3326e7fba79475269bd5fe19e304d77d25c6 Mon Sep 17 00:00:00 2001
From: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
Date: Fri, 27 May 2022 10:51:54 +0900
Subject: [PATCH] Fix constant `WARNING: No swap limit support` on cgroup v2
 hosts

Fix issue 43646

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
---
 pkg/sysinfo/cgroup2_linux.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pkg/sysinfo/cgroup2_linux.go b/pkg/sysinfo/cgroup2_linux.go
index 6a5caff4c0..fa6338e19b 100644
--- a/pkg/sysinfo/cgroup2_linux.go
+++ b/pkg/sysinfo/cgroup2_linux.go
@@ -56,12 +56,11 @@ func newV2(options ...Opt) *SysInfo {
 }
 
 func getSwapLimitV2() bool {
-	groups, err := cgroups.ParseCgroupFile("/proc/self/cgroup")
+	_, g, err := cgroups.ParseCgroupFileUnified("/proc/self/cgroup")
 	if err != nil {
 		return false
 	}
 
-	g := groups[""]
 	if g == "" {
 		return false
 	}