netdev - Re: [PATCH v5 02/16] memcg: enable accounting for IP address and routing-related objects

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: <55811200-dfca-0cc6-9dd4-692066adf4c6@gmail.com>
Date:   Mon, 19 Jul 2021 15:24:43 +0100
From:   Dmitry Safonov <0x7f454c46@...il.com>
To:     Shakeel Butt <shakeelb@...gle.com>
Cc:     Vasily Averin <vvs@...tuozzo.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Cgroups <cgroups@...r.kernel.org>,
        Michal Hocko <mhocko@...nel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Roman Gushchin <guro@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Network Development <netdev@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 02/16] memcg: enable accounting for IP address and
 routing-related objects

On 7/19/21 3:22 PM, Shakeel Butt wrote:
> On Mon, Jul 19, 2021 at 7:00 AM Dmitry Safonov <0x7f454c46@...il.com> wrote:
>>
>> Hi Vasily,
>>
>> On Mon, 19 Jul 2021 at 11:45, Vasily Averin <vvs@...tuozzo.com> wrote:
>> [..]
>>> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
>>> index ae1f5d0..1bbf239 100644
>>> --- a/mm/memcontrol.c
>>> +++ b/mm/memcontrol.c
>>> @@ -968,7 +968,7 @@ static __always_inline bool memcg_kmem_bypass(void)
>>>                 return false;
>>>
>>>         /* Memcg to charge can't be determined. */
>>> -       if (in_interrupt() || !current->mm || (current->flags & PF_KTHREAD))
>>> +       if (!in_task() || !current->mm || (current->flags & PF_KTHREAD))
>>>                 return true;
>>
>> This seems to do two separate things in one patch.
>> Probably, it's better to separate them.
>> (I may miss how route changes are related to more generic
>> __alloc_pages() change)
>>
> 
> It was requested to squash them together in some previous versions.
> https://lore.kernel.org/linux-mm/YEiUIf0old+AZssa@dhcp22.suse.cz/
> 

Ah, alright, never mind than.

Thanks,
           Dmitry