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From: Christoph Hellwig <hch@lst.de>
To: Kees Cook <keescook@chromium.org>, Iurii Zaikin <yzaikin@google.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org,
	bpf@vger.kernel.org
Subject: [PATCH 2/5] mm: remove watermark_boost_factor_sysctl_handler
Date: Tue, 21 Apr 2020 19:15:36 +0200	[thread overview]
Message-ID: <20200421171539.288622-3-hch@lst.de> (raw)
In-Reply-To: <20200421171539.288622-1-hch@lst.de>

watermark_boost_factor_sysctl_handler is just a pointless wrapper for
proc_dointvec_minmax, so remove it and use proc_dointvec_minmax
directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/mmzone.h |  2 --
 kernel/sysctl.c        |  2 +-
 mm/page_alloc.c        | 12 ------------
 3 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 1b9de7d220fb..f37bb8f187fc 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -911,8 +911,6 @@ static inline int is_highmem(struct zone *zone)
 struct ctl_table;
 int min_free_kbytes_sysctl_handler(struct ctl_table *, int,
 					void __user *, size_t *, loff_t *);
-int watermark_boost_factor_sysctl_handler(struct ctl_table *, int,
-					void __user *, size_t *, loff_t *);
 int watermark_scale_factor_sysctl_handler(struct ctl_table *, int,
 					void __user *, size_t *, loff_t *);
 extern int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES];
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8a176d8727a3..99d27acf4646 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1491,7 +1491,7 @@ static struct ctl_table vm_table[] = {
 		.data		= &watermark_boost_factor,
 		.maxlen		= sizeof(watermark_boost_factor),
 		.mode		= 0644,
-		.proc_handler	= watermark_boost_factor_sysctl_handler,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
 	},
 	{
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 69827d4fa052..62c1550cd43e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7978,18 +7978,6 @@ int min_free_kbytes_sysctl_handler(struct ctl_table *table, int write,
 	return 0;
 }
 
-int watermark_boost_factor_sysctl_handler(struct ctl_table *table, int write,
-	void __user *buffer, size_t *length, loff_t *ppos)
-{
-	int rc;
-
-	rc = proc_dointvec_minmax(table, write, buffer, length, ppos);
-	if (rc)
-		return rc;
-
-	return 0;
-}
-
 int watermark_scale_factor_sysctl_handler(struct ctl_table *table, int write,
 	void __user *buffer, size_t *length, loff_t *ppos)
 {
-- 
2.26.1



  parent reply	other threads:[~2020-04-21 17:15 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-21 17:15 pass kernel pointers to the sysctl ->proc_handler method v2 Christoph Hellwig
2020-04-21 17:15 ` [PATCH 1/5] bpf-cgroup: remove unused exports Christoph Hellwig
2020-04-22 23:39   ` Andrey Ignatov
2020-04-21 17:15 ` Christoph Hellwig [this message]
2020-04-21 19:31   ` [PATCH 2/5] mm: remove watermark_boost_factor_sysctl_handler David Rientjes
2020-04-21 17:15 ` [PATCH 3/5] sysctl: remove all extern declaration from sysctl.c Christoph Hellwig
2020-04-22 10:30   ` Vlastimil Babka
2020-04-22 17:24     ` Christoph Hellwig
2020-04-21 17:15 ` [PATCH 4/5] sysctl: avoid forward declarations Christoph Hellwig
2020-04-21 17:15 ` [PATCH 5/5] sysctl: pass kernel pointers to ->proc_handler Christoph Hellwig
2020-04-21 19:16   ` Al Viro
2020-04-22  2:46     ` Al Viro
2020-04-22  6:09       ` Christoph Hellwig
2020-04-21 19:23   ` Andrey Ignatov
2020-04-22 17:22     ` Christoph Hellwig
2020-04-22 23:40       ` Andrey Ignatov
2020-04-24  6:43 pass kernel pointers to the sysctl ->proc_handler method v3 Christoph Hellwig
2020-04-24  6:43 ` [PATCH 2/5] mm: remove watermark_boost_factor_sysctl_handler Christoph Hellwig
2020-05-04 18:41   ` Kees Cook

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