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The use of strict_strtoul() is not preferred, because strict_strtoul() is
obsolete.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: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

mm/huge_memory.c

@@ -417,7 +417,7 @@ static ssize_t scan_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;
 
@@ -444,7 +444,7 @@ static ssize_t alloc_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;
 
@@ -470,7 +470,7 @@ static ssize_t pages_to_scan_store(struct kobject *kobj,
 	int err;
 	unsigned long pages;
 
-	err = strict_strtoul(buf, 10, &pages);
+	err = kstrtoul(buf, 10, &pages);
 	if (err || !pages || pages > UINT_MAX)
 		return -EINVAL;
 
@@ -538,7 +538,7 @@ static ssize_t khugepaged_max_ptes_none_store(struct kobject *kobj,
 	int err;
 	unsigned long max_ptes_none;
 
-	err = strict_strtoul(buf, 10, &max_ptes_none);
+	err = kstrtoul(buf, 10, &max_ptes_none);
 	if (err || max_ptes_none > HPAGE_PMD_NR-1)
 		return -EINVAL;
 

mm/hugetlb.c

@@ -1526,7 +1526,7 @@ static ssize_t nr_hugepages_store_common(bool obey_mempolicy,
 	struct hstate *h;
 	NODEMASK_ALLOC(nodemask_t, nodes_allowed, GFP_KERNEL | __GFP_NORETRY);
 
-	err = strict_strtoul(buf, 10, &count);
+	err = kstrtoul(buf, 10, &count);
 	if (err)
 		goto out;
 
@@ -1617,7 +1617,7 @@ static ssize_t nr_overcommit_hugepages_store(struct kobject *kobj,
 	if (h->order >= MAX_ORDER)
 		return -EINVAL;
 
-	err = strict_strtoul(buf, 10, &input);
+	err = kstrtoul(buf, 10, &input);
 	if (err)
 		return err;
 

mm/kmemleak.c

@@ -1639,7 +1639,7 @@ static ssize_t kmemleak_write(struct file *file, const char __user *user_buf,
 	else if (strncmp(buf, "scan=", 5) == 0) {
 		unsigned long secs;
 
-		ret = strict_strtoul(buf + 5, 0, &secs);
+		ret = kstrtoul(buf + 5, 0, &secs);
 		if (ret < 0)
 			goto out;
 		stop_scan_thread();

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)

mm/slub.c

@@ -4420,7 +4420,7 @@ static ssize_t order_store(struct kmem_cache *s,
 	unsigned long order;
 	int err;
 
-	err = strict_strtoul(buf, 10, &order);
+	err = kstrtoul(buf, 10, &order);
 	if (err)
 		return err;
 
@@ -4448,7 +4448,7 @@ static ssize_t min_partial_store(struct kmem_cache *s, const char *buf,
 	unsigned long min;
 	int err;
 
-	err = strict_strtoul(buf, 10, &min);
+	err = kstrtoul(buf, 10, &min);
 	if (err)
 		return err;
 
@@ -4468,7 +4468,7 @@ static ssize_t cpu_partial_store(struct kmem_cache *s, const char *buf,
 	unsigned long objects;
 	int err;
 
-	err = strict_strtoul(buf, 10, &objects);
+	err = kstrtoul(buf, 10, &objects);
 	if (err)
 		return err;
 	if (objects && !kmem_cache_has_cpu_partial(s))
@@ -4784,7 +4784,7 @@ static ssize_t remote_node_defrag_ratio_store(struct kmem_cache *s,
 	unsigned long ratio;
 	int err;
 
-	err = strict_strtoul(buf, 10, &ratio);
+	err = kstrtoul(buf, 10, &ratio);
 	if (err)
 		return err;