linux-kernel - Re: [PATCH 2/2] memcg: do not drain charge pcp caches on remote isolated cpus

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230317163229.51431ba28ba82c70eaa55d81@linux-foundation.org>
Date:   Fri, 17 Mar 2023 16:32:29 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Michal Hocko <mhocko@...nel.org>,
        Leonardo Bras <leobras@...hat.com>,
        oe-kbuild-all@...ts.linux.dev,
        Linux Memory Management List <linux-mm@...ck.org>,
        Frederic Weisbecker <fweisbecker@...e.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marcelo Tosatti <mtosatti@...hat.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Shakeel Butt <shakeelb@...gle.com>,
        Muchun Song <muchun.song@...ux.dev>,
        LKML <linux-kernel@...r.kernel.org>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH 2/2] memcg: do not drain charge pcp caches on remote
 isolated cpus

On Sat, 18 Mar 2023 06:22:40 +0800 kernel test robot <lkp@...el.com> wrote:

>    mm/memcontrol.c: In function 'drain_all_stock':
> >> mm/memcontrol.c:2369:35: error: implicit declaration of function 'cpu_is_isolated' [-Werror=implicit-function-declaration]
>     2369 |                         else if (!cpu_is_isolated(cpu))
>          |                                   ^~~~~~~~~~~~~~~

Thanks.

--- a/mm/memcontrol.c~memcg-do-not-drain-charge-pcp-caches-on-remote-isolated-cpus-fix
+++ a/mm/memcontrol.c
@@ -63,6 +63,7 @@
 #include <linux/resume_user_mode.h>
 #include <linux/psi.h>
 #include <linux/seq_buf.h>
+#include <linux/sched/isolation.h>
 #include "internal.h"
 #include <net/sock.h>
 #include <net/ip.h>
_