mm: replace strict_strtoul() with kstrtoul()

The use of strict_strtoul() is not preferred, because strict_strtoul() is
obsolete.  Thus, kstrtoul() should be used.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/ksm.c

@@ -2194,7 +2194,7 @@ static ssize_t sleep_millisecs_store(struct kobject *kobj,
 	unsigned long msecs;
 	int err;
 
-	err = strict_strtoul(buf, 10, &msecs);
+	err = kstrtoul(buf, 10, &msecs);
 	if (err || msecs > UINT_MAX)
 		return -EINVAL;
 
@@ -2217,7 +2217,7 @@ static ssize_t pages_to_scan_store(struct kobject *kobj,
 	int err;
 	unsigned long nr_pages;
 
-	err = strict_strtoul(buf, 10, &nr_pages);
+	err = kstrtoul(buf, 10, &nr_pages);
 	if (err || nr_pages > UINT_MAX)
 		return -EINVAL;
 
@@ -2239,7 +2239,7 @@ static ssize_t run_store(struct kobject *kobj, struct kobj_attribute *attr,
 	int err;
 	unsigned long flags;
 
-	err = strict_strtoul(buf, 10, &flags);
+	err = kstrtoul(buf, 10, &flags);
 	if (err || flags > UINT_MAX)
 		return -EINVAL;
 	if (flags > KSM_RUN_UNMERGE)