From: Chanho Min <chanho.min@lge.com>
To: Minchan Kim <minchan@kernel.org>, Nitin Gupta <ngupta@vflare.org>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
seungho1.park@lge.com, Inkyu Hwang <inkyu.hwang@lge.com>,
Jinsuk Choi <jjinsuk.choi@lge.com>,
Chanho Min <chanho.min@lge.com>
Subject: [PATCH] mm/zsmalloc.c: fix the migrated zspage statistics.
Date: Fri, 29 Nov 2019 10:29:27 +0900 [thread overview]
Message-ID: <1574990967-23391-1-git-send-email-chanho.min@lge.com> (raw)
When zspage is migrated to the other zone, the zone page state should
be updated as well.
Signed-off-by: Chanho Min <chanho.min@lge.com>
Signed-off-by: Jinsuk Choi <jjinsuk.choi@lge.com>
---
mm/zsmalloc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 2b2b9aa..22d17ec 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -2069,6 +2069,11 @@ static int zs_page_migrate(struct address_space *mapping, struct page *newpage,
zs_pool_dec_isolated(pool);
}
+ if (page_zone(newpage) != page_zone(page)) {
+ dec_zone_page_state(page, NR_ZSPAGES);
+ inc_zone_page_state(newpage, NR_ZSPAGES);
+ }
+
reset_page(page);
put_page(page);
page = newpage;
--
2.7.4
next reply other threads:[~2019-11-29 1:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-29 1:29 Chanho Min [this message]
2019-11-29 15:17 ` [PATCH] mm/zsmalloc.c: fix the migrated zspage statistics Vlastimil Babka
2019-12-02 2:39 ` Sergey Senozhatsky
2019-12-04 1:23 ` Minchan Kim
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