linux-kernel - [PATCH] cpuset: remove unused task_has

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Message-Id: <1550471291-4327-1-git-send-email-yamada.masahiro@socionext.com>
Date:   Mon, 18 Feb 2019 15:28:11 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Li Zefan <lizefan@...wei.com>, Tejun Heo <tj@...nel.org>,
        cgroups@...r.kernel.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] cpuset: remove unused task_has_mempolicy()

This is a remnant of commit 5f155f27cb7f ("mm, cpuset: always use
seqlock when changing task's nodemask").

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 kernel/cgroup/cpuset.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 479743d..72afd55 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -203,19 +203,6 @@ static inline struct cpuset *parent_cs(struct cpuset *cs)
 	return css_cs(cs->css.parent);
 }
 
-#ifdef CONFIG_NUMA
-static inline bool task_has_mempolicy(struct task_struct *task)
-{
-	return task->mempolicy;
-}
-#else
-static inline bool task_has_mempolicy(struct task_struct *task)
-{
-	return false;
-}
-#endif
-
-
 /* bits in struct cpuset flags field */
 typedef enum {
 	CS_ONLINE,
-- 
2.7.4