linux-kernel - [RFC v1 18/19] kernel, sysctl: cleanup numa_zonelist

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Message-Id: <20191121151811.49742-19-fly@kernel.page>
Date:   Thu, 21 Nov 2019 23:18:10 +0800
From:   Pengfei Li <fly@...nel.page>
To:     akpm@...ux-foundation.org
Cc:     mgorman@...hsingularity.net, mhocko@...nel.org, vbabka@...e.cz,
        cl@...ux.com, iamjoonsoo.kim@....com, guro@...com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Pengfei Li <fly@...nel.page>
Subject: [RFC v1 18/19] kernel, sysctl: cleanup numa_zonelist_order

This is a cleanup patch.

Rename numa_zonelist_order to numa_nodelist_order, and clean up
some zonelist_xxx accordingly.

Signed-off-by: Pengfei Li <fly@...nel.page>
---
 include/linux/mmzone.h |  6 +++---
 kernel/sysctl.c        |  8 ++++----
 mm/page_alloc.c        | 16 ++++++++--------
 3 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index f1a492c13037..0423a84dfd7d 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -959,10 +959,10 @@ int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *, int,
 int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *, int,
 			void __user *, size_t *, loff_t *);
 
-extern int numa_zonelist_order_handler(struct ctl_table *, int,
+extern int numa_nodelist_order_handler(struct ctl_table *, int,
 			void __user *, size_t *, loff_t *);
-extern char numa_zonelist_order[];
-#define NUMA_ZONELIST_ORDER_LEN	16
+extern char numa_nodelist_order[];
+#define NUMA_NODELIST_ORDER_LEN	16
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 50373984a5e2..040c0c561399 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1648,11 +1648,11 @@ static struct ctl_table vm_table[] = {
 #endif
 #ifdef CONFIG_NUMA
 	{
-		.procname	= "numa_zonelist_order",
-		.data		= &numa_zonelist_order,
-		.maxlen		= NUMA_ZONELIST_ORDER_LEN,
+		.procname	= "numa_nodelist_order",
+		.data		= &numa_nodelist_order,
+		.maxlen		= NUMA_NODELIST_ORDER_LEN,
 		.mode		= 0644,
-		.proc_handler	= numa_zonelist_order_handler,
+		.proc_handler	= numa_nodelist_order_handler,
 	},
 #endif
 #if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 146abe537300..bc24e614c296 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5479,7 +5479,7 @@ static inline void set_last_nlist_entry(struct nlist_entry *entry)
 
 #ifdef CONFIG_NUMA
 
-static int __parse_numa_zonelist_order(char *s)
+static int __parse_numa_nodelist_order(char *s)
 {
 	/*
 	 * We used to support different zonlists modes but they turned
@@ -5488,27 +5488,27 @@ static int __parse_numa_zonelist_order(char *s)
 	 * not fail it silently
 	 */
 	if (!(*s == 'd' || *s == 'D' || *s == 'n' || *s == 'N')) {
-		pr_warn("Ignoring unsupported numa_zonelist_order value:  %s\n", s);
+		pr_warn("Ignoring unsupported numa_nodelist_order value:  %s\n", s);
 		return -EINVAL;
 	}
 	return 0;
 }
 
-static __init int setup_numa_zonelist_order(char *s)
+static __init int setup_numa_nodelist_order(char *s)
 {
 	if (!s)
 		return 0;
 
-	return __parse_numa_zonelist_order(s);
+	return __parse_numa_nodelist_order(s);
 }
-early_param("numa_zonelist_order", setup_numa_zonelist_order);
+early_param("numa_nodelist_order", setup_numa_nodelist_order);
 
-char numa_zonelist_order[] = "Node";
+char numa_nodelist_order[] = "Node";
 
 /*
  * sysctl handler for numa_zonelist_order
  */
-int numa_zonelist_order_handler(struct ctl_table *table, int write,
+int numa_nodelist_order_handler(struct ctl_table *table, int write,
 		void __user *buffer, size_t *length,
 		loff_t *ppos)
 {
@@ -5521,7 +5521,7 @@ int numa_zonelist_order_handler(struct ctl_table *table, int write,
 	if (IS_ERR(str))
 		return PTR_ERR(str);
 
-	ret = __parse_numa_zonelist_order(str);
+	ret = __parse_numa_nodelist_order(str);
 	kfree(str);
 	return ret;
 }
-- 
2.23.0