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Message-Id: <20230123173748.1734238-9-shr@devkernel.io>
Date:   Mon, 23 Jan 2023 09:37:36 -0800
From:   Stefan Roesch <shr@...kernel.io>
To:     linux-mm@...ck.org
Cc:     shr@...kernel.io, linux-doc@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-trace-kernel@...r.kernel.org
Subject: [RESEND RFC PATCH v1 08/20] mm: split off pages_volatile function

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

Signed-off-by: Stefan Roesch <shr@...kernel.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);
 
-static ssize_t pages_volatile_show(struct kobject *kobj,
-				   struct kobj_attribute *attr, char *buf)
+static long pages_volatile(void)
 {
 	long ksm_pages_volatile;
 
@@ -3195,7 +3194,14 @@ static ssize_t pages_volatile_show(struct kobject *kobj,
 	 */
 	if (ksm_pages_volatile < 0)
 		ksm_pages_volatile = 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);
 
-- 
2.30.2

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