linux-kernel - [PATCH 1/2] mm: move task_is

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Message-ID: <20240730114426.511-2-justinjiang@vivo.com>
Date: Tue, 30 Jul 2024 19:44:25 +0800
From: Zhiguo Jiang <justinjiang@...o.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Will Deacon <will@...nel.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...nel.org>,
	Nick Piggin <npiggin@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnd Bergmann <arnd@...db.de>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...nel.org>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Shakeel Butt <shakeel.butt@...ux.dev>,
	Muchun Song <muchun.song@...ux.dev>,
	linux-arch@...r.kernel.org,
	cgroups@...r.kernel.org,
	Barry Song <21cnbao@...il.com>,
	Zhiguo Jiang <justinjiang@...o.com>
Cc: opensource.kernel@...o.com
Subject: [PATCH 1/2] mm: move task_is_dying to h headfile

Move task_is_dying() to include/linux/oom.h so that it can be
referenced elsewhere.

Signed-off-by: Zhiguo Jiang <justinjiang@...o.com>
---
 include/linux/oom.h | 6 ++++++
 mm/memcontrol.c     | 6 ------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/oom.h b/include/linux/oom.h
index 7d0c9c48a0c5..a3a58463c0d5
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -77,6 +77,12 @@ static inline bool tsk_is_oom_victim(struct task_struct * tsk)
 	return tsk->signal->oom_mm;
 }
 
+static inline bool task_is_dying(void)
+{
+	return tsk_is_oom_victim(current) || fatal_signal_pending(current) ||
+		(current->flags & PF_EXITING);
+}
+
 /*
  * Checks whether a page fault on the given mm is still reliable.
  * This is no longer true if the oom reaper started to reap the
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 9b3ef3a70833..c54a8aea19b0
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -98,12 +98,6 @@ static DECLARE_WAIT_QUEUE_HEAD(memcg_cgwb_frn_waitq);
 #define THRESHOLDS_EVENTS_TARGET 128
 #define SOFTLIMIT_EVENTS_TARGET 1024
 
-static inline bool task_is_dying(void)
-{
-	return tsk_is_oom_victim(current) || fatal_signal_pending(current) ||
-		(current->flags & PF_EXITING);
-}
-
 /* Some nice accessors for the vmpressure. */
 struct vmpressure *memcg_to_vmpressure(struct mem_cgroup *memcg)
 {
-- 
2.39.0