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

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From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
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/20210715122911.15700-4-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

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

--- 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;
 }
 
 /*
_




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