Stable Archive on
 help / color / Atom feed
Subject: + mm-zsmallocc-fix-the-migrated-zspage-statistics.patch added to -mm tree
Date: Wed, 04 Dec 2019 14:58:58 -0800
Message-ID: <> (raw)

The patch titled
     Subject: mm/zsmalloc.c: fix the migrated zspage statistics.
has been added to the -mm tree.  Its filename is

This patch should soon appear at
and later at

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

From: Chanho Min <>
Subject: mm/zsmalloc.c: fix the migrated zspage statistics.

When zspage is migrated to the other zone, the zone page state should be
updated as well, otherwise the NR_ZSPAGE for each zone shows wrong counts
including proc/zoneinfo in practice.

Fixes: 91537fee0013 ("mm: add NR_ZSMALLOC to vmstat")
Signed-off-by: Chanho Min <>
Signed-off-by: Jinsuk Choi <>
Reviewed-by: Sergey Senozhatsky <>
Acked-by: Minchan Kim <>
Cc: <>        [4.9+]
Signed-off-by: Andrew Morton <>

 mm/zsmalloc.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/mm/zsmalloc.c~mm-zsmallocc-fix-the-migrated-zspage-statistics
+++ a/mm/zsmalloc.c
@@ -2069,6 +2069,11 @@ static int zs_page_migrate(struct addres
+	if (page_zone(newpage) != page_zone(page)) {
+		dec_zone_page_state(page, NR_ZSPAGES);
+		inc_zone_page_state(newpage, NR_ZSPAGES);
+	}
 	page = newpage;

Patches currently in -mm which might be from are


                 reply index

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Stable Archive on

Archives are clonable:
	git clone --mirror stable/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 stable stable/ \
	public-inbox-index stable

Example config snippet for mirrors

Newsgroup available over NNTP:

AGPL code for this site: git clone