linux-kernel - [PATCH -next RFC 16/16] cpuset: remove prs_err clear when notify_partition

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Message-Id: <20250928071306.3797436-17-chenridong@huaweicloud.com>
Date: Sun, 28 Sep 2025 07:13:06 +0000
From: Chen Ridong <chenridong@...weicloud.com>
To: longman@...hat.com,
	tj@...nel.org,
	hannes@...xchg.org,
	mkoutny@...e.com
Cc: cgups@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	lujialin4@...wei.com,
	chenridong@...wei.com
Subject: [PATCH -next RFC 16/16] cpuset: remove prs_err clear when notify_partition_change

From: Chen Ridong <chenridong@...wei.com>

The prs_err should be properly set when partition state is set, it
does't have to reset in the notify_partition_change, just remove it.

Signed-off-by: Chen Ridong <chenridong@...wei.com>
---
 kernel/cgroup/cpuset.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index a22cf97e6af5..262572af68bb 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -178,10 +178,6 @@ static inline void notify_partition_change(struct cpuset *cs, int old_prs)
 	if (old_prs == cs->partition_root_state)
 		return;
 	cgroup_file_notify(&cs->partition_file);
-
-	/* Reset prs_err if not invalid */
-	if (is_partition_valid(cs))
-		WRITE_ONCE(cs->prs_err, PERR_NONE);
 }
 
 /*
-- 
2.34.1