From: <xu.xin16@zte.com.cn>
To: <xu.xin16@zte.com.cn>, <akpm@linux-foundation.org>
Cc: <shakeel.butt@linux.dev>, <hannes@cmpxchg.org>,
<mhocko@kernel.org>, <roman.gushchin@linux.dev>,
<david@redhat.com>, <chengming.zhou@linux.dev>,
<muchun.song@linux.dev>, <linux-kernel@vger.kernel.org>,
<linux-mm@kvack.org>, <cgroups@vger.kernel.org>
Subject: [PATCH linux-next v3 4/6] ksm: make ksm_process_profit available on CONFIG_PROCFS=n
Date: Sun, 21 Sep 2025 23:13:34 +0800 (CST) [thread overview]
Message-ID: <20250921231334093OILrn169i655S8Pe0KMUC@zte.com.cn> (raw)
In-Reply-To: <20250921230726978agBBWNsPLi2hCp9Sxed1Y@zte.com.cn>
From: xu xin <xu.xin16@zte.com.cn>
This remove the restriction CONFIG_PROCFS=y for the heler function
ksm_process_profit(), then we can use it for the later patches on
CONFIG_PROCFS=n.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/all/202509142046.QatEaTQV-lkp@intel.com/
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
---
mm/ksm.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/mm/ksm.c b/mm/ksm.c
index e49f4b86ffb0..a68d4b37b503 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -3282,7 +3282,6 @@ static void wait_while_offlining(void)
}
#endif /* CONFIG_MEMORY_HOTREMOVE */
-#ifdef CONFIG_PROC_FS
/*
* The process is mergeable only if any VMA is currently
* applicable to KSM.
@@ -3307,7 +3306,6 @@ long ksm_process_profit(struct mm_struct *mm)
return (long)(mm->ksm_merging_pages + mm_ksm_zero_pages(mm)) * PAGE_SIZE -
mm->ksm_rmap_items * sizeof(struct ksm_rmap_item);
}
-#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_MEMCG
struct memcg_ksm_stat {
--
2.25.1
next prev parent reply other threads:[~2025-09-21 15:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-21 15:07 [PATCH linux-next v3 0/6] memcg: Support per-memcg KSM metrics xu.xin16
2025-09-21 15:08 ` [PATCH linux-next v3 1/6] memcg: add per-memcg ksm_rmap_items stat xu.xin16
2025-09-23 8:28 ` David Hildenbrand
2025-09-21 15:11 ` [PATCH linux-next v3 2/6] memcg: show ksm_zero_pages count in memory.stat xu.xin16
2025-09-21 15:12 ` [PATCH linux-next v3 3/6] memcg: show ksm_merging_pages xu.xin16
2025-09-21 15:13 ` xu.xin16 [this message]
2025-09-23 8:25 ` [PATCH linux-next v3 4/6] ksm: make ksm_process_profit available on CONFIG_PROCFS=n David Hildenbrand
2025-09-21 15:14 ` [PATCH linux-next v3 5/6] memcg: add per-memcg ksm_profit xu.xin16
2025-09-21 15:15 ` [PATCH linux-next v3 6/6] Documentation: add KSM statistic counters description xu.xin16
2025-09-22 8:20 ` [PATCH linux-next v3 0/6] memcg: Support per-memcg KSM metrics Michal Hocko
2025-09-22 9:31 ` 答复: " xu.xin16
2025-09-23 14:17 ` Michal Hocko
2025-09-23 8:26 ` David Hildenbrand
2025-09-23 17:58 ` Shakeel Butt
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