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From:   Qi Zheng <zhengqi.arch@bytedance.com>
To:     akpm@linux-foundation.org, willy@infradead.org, vbabka@suse.cz,
        hannes@cmpxchg.org, minchan@kernel.org, rppt@kernel.org
Cc:     linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        Qi Zheng <zhengqi.arch@bytedance.com>
Subject: [PATCH 3/7] ksm: remove redundant declarations in ksm.h
Date:   Mon, 29 Aug 2022 22:30:51 +0800
Message-Id: <20220829143055.41201-4-zhengqi.arch@bytedance.com>
In-Reply-To: <20220829143055.41201-1-zhengqi.arch@bytedance.com>
References: <20220829143055.41201-1-zhengqi.arch@bytedance.com>
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Currently, for struct stable_node, no one uses it in both the
include/linux/ksm.h file and the file that contains it. For
struct mem_cgroup, it's also not used in ksm.h. So they're all
redundant, just remove them.

Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
---
 include/linux/ksm.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/linux/ksm.h b/include/linux/ksm.h
index 0b4f17418f64..7e232ba59b86 100644
--- a/include/linux/ksm.h
+++ b/include/linux/ksm.h
@@ -15,9 +15,6 @@
 #include <linux/sched.h>
 #include <linux/sched/coredump.h>
 
-struct stable_node;
-struct mem_cgroup;
-
 #ifdef CONFIG_KSM
 int ksm_madvise(struct vm_area_struct *vma, unsigned long start,
 		unsigned long end, int advice, unsigned long *vm_flags);
-- 
2.20.1