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Message-ID: <20230612125102.1674568-1-zhangpeng362@huawei.com>
Date: Mon, 12 Jun 2023 20:51:02 +0800
From: Peng Zhang <zhangpeng362@...wei.com>
To: <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
<rppt@...nel.org>, <akpm@...ux-foundation.org>
CC: <wangkefeng.wang@...wei.com>, <sunnanyong@...wei.com>,
ZhangPeng <zhangpeng362@...wei.com>
Subject: [PATCH] memblock: use the helper macro for_each_zone
From: ZhangPeng <zhangpeng362@...wei.com>
Let's use the helper macro for_each_zone to iterate over all memory
zones and reset the node managed pages. After that, we can remove the
unused function reset_node_managed_pages.
Signed-off-by: ZhangPeng <zhangpeng362@...wei.com>
---
mm/memblock.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)
diff --git a/mm/memblock.c b/mm/memblock.c
index da4264528e1e..af552604c3fb 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -2122,23 +2122,15 @@ static unsigned long __init free_low_memory_core_early(void)
static int reset_managed_pages_done __initdata;
-static void __init reset_node_managed_pages(pg_data_t *pgdat)
-{
- struct zone *z;
-
- for (z = pgdat->node_zones; z < pgdat->node_zones + MAX_NR_ZONES; z++)
- atomic_long_set(&z->managed_pages, 0);
-}
-
void __init reset_all_zones_managed_pages(void)
{
- struct pglist_data *pgdat;
+ struct zone *z;
if (reset_managed_pages_done)
return;
- for_each_online_pgdat(pgdat)
- reset_node_managed_pages(pgdat);
+ for_each_zone(z)
+ atomic_long_set(&z->managed_pages, 0);
reset_managed_pages_done = 1;
}
--
2.25.1
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