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From: Baoquan He <bhe@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
	iamjoonsoo.kim@lge.com, hannes@cmpxchg.org, mhocko@kernel.org,
	vbabka@suse.cz, bhe@redhat.com
Subject: [PATCH 5/5] mm/vmstat.c: remove the useless code
Date: Tue, 24 Mar 2020 22:22:29 +0800	[thread overview]
Message-ID: <20200324142229.12028-6-bhe@redhat.com> (raw)
In-Reply-To: <20200324142229.12028-1-bhe@redhat.com>

No one calls is_zone_first_populated(), remove it.

Signed-off-by: Baoquan He <bhe@redhat.com>
---
 mm/vmstat.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 4bbf9be786da..7097eb99f30d 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1548,20 +1548,6 @@ static const struct seq_operations pagetypeinfo_op = {
 	.show	= pagetypeinfo_show,
 };
 
-static bool is_zone_first_populated(pg_data_t *pgdat, struct zone *zone)
-{
-	int zid;
-
-	for (zid = 0; zid < MAX_NR_ZONES; zid++) {
-		struct zone *compare = &pgdat->node_zones[zid];
-
-		if (populated_zone(compare))
-			return zone == compare;
-	}
-
-	return false;
-}
-
 static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
 							struct zone *zone)
 {
-- 
2.17.2


      parent reply	other threads:[~2020-03-24 14:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-24 14:22 [PATCH 0/5] improvements about lowmem_reserve and /proc/zoneinfo Baoquan He
2020-03-24 14:22 ` [PATCH 1/5] mm/page_alloc.c: only tune sysctl_lowmem_reserve_ratio value once when changing it Baoquan He
2020-03-24 14:22 ` [PATCH 2/5] mm/page_alloc.c: clear out zone->lowmem_reserve[] if the zone is empty Baoquan He
2020-03-24 14:22 ` [PATCH 3/5] mm/vmstat.c: do not show lowmem reserve protection information of empty zone Baoquan He
2020-03-24 14:22 ` [PATCH 4/5] mm/vmstat.c: move the per-node stats to the front of /proc/zoneinfo Baoquan He
2020-03-24 19:25   ` David Rientjes
2020-03-24 19:25     ` David Rientjes
2020-03-25  5:53     ` Baoquan He
2020-03-25  8:55       ` Michal Hocko
2020-03-25 14:23         ` Baoquan He
2020-03-25 19:45           ` David Rientjes
2020-03-25 19:45             ` David Rientjes
2020-03-26  4:24             ` Baoquan He
2020-03-26  6:43               ` Michal Hocko
2020-03-26 11:22                 ` Baoquan He
2020-03-24 14:22 ` Baoquan He [this message]

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