linux-kernel - Re: [PATCH v1 13/14] mm: memcg: put cgroup v1-related members of task

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Date: Sun,  2 Jun 2024 20:00:04 +0800
From: Lance Yang <ioworker0@...il.com>
To: roman.gushchin@...ux.dev
Cc: akpm@...ux-foundation.org,
	hannes@...xchg.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	mhocko@...nel.org,
	muchun.song@...ux.dev,
	shakeel.butt@...ux.dev,
	willy@...radead.org,
	Lance Yang <ioworker0@...il.com>
Subject: Re: [PATCH v1 13/14] mm: memcg: put cgroup v1-related members of task_struct under config option

Hi Roman,

I noticed that you changed '#ifdef CONFIG_MEMCG' to '#ifdef CONFIG_MEMCG_V1'.
However, it seems like the comments for the corresponding #else and #endif were
not updated accordingly.
 
It might be something like:

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index ba55ebd15354..796cfa842346 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1883,7 +1883,7 @@ static inline void mem_cgroup_unlock_pages(void)
        rcu_read_unlock();
 }

-#else /* CONFIG_MEMCG */
+#else /* CONFIG_MEMCG_V1 */
 static inline
 unsigned long memcg1_soft_limit_reclaim(pg_data_t *pgdat, int order,
                                        gfp_t gfp_mask,
@@ -1922,6 +1922,6 @@ static inline bool mem_cgroup_oom_synchronize(bool wait)
        return false;
 }

-#endif /* CONFIG_MEMCG */
+#endif /* CONFIG_MEMCG_V1 */

 #endif /* _LINUX_MEMCONTROL_H */
---

Thanks,
Lance