[211/212] mm/vmstat: remove unneeded return value

Commit Message

Andrew Morton Sept. 2, 2021, 10:01 p.m. UTC

From: Miaohe Lin <[e-mail]>
Subject: mm/vmstat: remove unneeded return value

The return value of pagetypeinfo_showfree and pagetypeinfo_showblockcount
are unused now.  Remove them.

Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Miaohe Lin <[e-mail]>
Reviewed-by: David Hildenbrand <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

 mm/vmstat.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Patch

--- a/mm/vmstat.c~mm-vmstat-remove-unneeded-return-value
+++ a/mm/vmstat.c
@@ -1454,7 +1454,7 @@  static void pagetypeinfo_showfree_print(
 }
 
 /* Print out the free pages at each order for each migatetype */
-static int pagetypeinfo_showfree(struct seq_file *m, void *arg)
+static void pagetypeinfo_showfree(struct seq_file *m, void *arg)
 {
 	int order;
 	pg_data_t *pgdat = (pg_data_t *)arg;
@@ -1466,8 +1466,6 @@  static int pagetypeinfo_showfree(struct
 	seq_putc(m, '\n');
 
 	walk_zones_in_node(m, pgdat, true, false, pagetypeinfo_showfree_print);
-
-	return 0;
 }
 
 static void pagetypeinfo_showblockcount_print(struct seq_file *m,
@@ -1503,7 +1501,7 @@  static void pagetypeinfo_showblockcount_
 }
 
 /* Print out the number of pageblocks for each migratetype */
-static int pagetypeinfo_showblockcount(struct seq_file *m, void *arg)
+static void pagetypeinfo_showblockcount(struct seq_file *m, void *arg)
 {
 	int mtype;
 	pg_data_t *pgdat = (pg_data_t *)arg;
@@ -1514,8 +1512,6 @@  static int pagetypeinfo_showblockcount(s
 	seq_putc(m, '\n');
 	walk_zones_in_node(m, pgdat, true, false,
 		pagetypeinfo_showblockcount_print);
-
-	return 0;
 }
 
 /*