From:   Stefan Roesch <shr@devkernel.io>
To:     linux-mm@kvack.org
Cc:     shr@devkernel.io, linux-doc@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-kselftest@vger.kernel.org, linux-trace-kernel@vger.kernel.org
Subject: [RESEND RFC PATCH v1 08/20] mm: split off pages_volatile function
Date:   Mon, 23 Jan 2023 09:37:36 -0800
Message-Id: <20230123173748.1734238-9-shr@devkernel.io>
In-Reply-To: <20230123173748.1734238-1-shr@devkernel.io>
References: <20230123173748.1734238-1-shr@devkernel.io>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

This splits off the pages_volatile function. The next patch will use
this function.

Signed-off-by: Stefan Roesch <shr@devkernel.io>
---
 mm/ksm.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/mm/ksm.c b/mm/ksm.c
index 88a969849955..19f434f97dc1 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -3182,8 +3182,7 @@ static ssize_t pages_unshared_show(struct kobject *=
kobj,
 }
 KSM_ATTR_RO(pages_unshared);
=20
-static ssize_t pages_volatile_show(struct kobject *kobj,
-				   struct kobj_attribute *attr, char *buf)
+static long pages_volatile(void)
 {
 	long ksm_pages_volatile;
=20
@@ -3195,7 +3194,14 @@ static ssize_t pages_volatile_show(struct kobject =
*kobj,
 	 */
 	if (ksm_pages_volatile < 0)
 		ksm_pages_volatile =3D 0;
-	return sysfs_emit(buf, "%ld\n", ksm_pages_volatile);
+
+	return ksm_pages_volatile;
+}
+
+static ssize_t pages_volatile_show(struct kobject *kobj,
+				   struct kobj_attribute *attr, char *buf)
+{
+	return sysfs_emit(buf, "%ld\n", pages_volatile());
 }
 KSM_ATTR_RO(pages_volatile);
=20
--=20
2.30.2