linux-kernel - [PATCH v2 3/7] ksm: remove redundant declarations in ksm.h

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Date:   Wed, 31 Aug 2022 11:19:47 +0800
From:   Qi Zheng <zhengqi.arch@...edance.com>
To:     akpm@...ux-foundation.org, shy828301@...il.com,
        willy@...radead.org, vbabka@...e.cz, hannes@...xchg.org,
        minchan@...nel.org, rppt@...nel.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Qi Zheng <zhengqi.arch@...edance.com>
Subject: [PATCH v2 3/7] ksm: remove redundant declarations in ksm.h

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@...edance.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