From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Andy Lutomirski <luto@kernel.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, Borislav Petkov <bp@alien8.de>,
Nadav Amit <nadav.amit@gmail.com>,
Kees Cook <keescook@chromium.org>,
Brian Gerst <brgerst@gmail.com>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jann Horn <jann@thejh.net>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Vladimir Davydov <vdavydov@virtuozzo.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
linux-mm@kvack.org
Subject: Re: [PATCH v4 07/16] mm: Fix memcg stack accounting for sub-page stacks
Date: Fri, 24 Jun 2016 10:22:12 -0500 [thread overview]
Message-ID: <20160624152212.5uutwkvfmj6sr24c@treble> (raw)
In-Reply-To: <b8a5aad2ee4ac1302227348b7a59a8b69e322fbb.1466741835.git.luto@kernel.org>
On Thu, Jun 23, 2016 at 09:23:02PM -0700, Andy Lutomirski wrote:
> We should account for stacks regardless of stack size, and we need
> to account in sub-page units if THREAD_SIZE < PAGE_SIZE. Change the
> units to kilobytes and Move it into account_kernel_stack().
>
> Fixes: 12580e4b54ba8 ("mm: memcontrol: report kernel stack usage in cgroup2 memory.stat")
> Cc: Vladimir Davydov <vdavydov@virtuozzo.com>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Michal Hocko <mhocko@kernel.org>
> Cc: linux-mm@kvack.org
> Reviewed-by: Vladimir Davydov <vdavydov@virtuozzo.com>
> Acked-by: Michal Hocko <mhocko@suse.com>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
--
Josh
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prev parent reply other threads:[~2016-06-24 15:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1466741835.git.luto@kernel.org>
2016-06-24 4:22 ` [PATCH v4 03/16] x86/mm/hotplug: Don't remove PGD entries in remove_pagetable() Andy Lutomirski
2016-06-24 4:23 ` [PATCH v4 06/16] mm: Track NR_KERNEL_STACK in KiB instead of number of stacks Andy Lutomirski
2016-06-24 15:21 ` Josh Poimboeuf
2016-06-24 4:23 ` [PATCH v4 07/16] mm: Fix memcg stack accounting for sub-page stacks Andy Lutomirski
2016-06-24 15:22 ` Josh Poimboeuf [this message]
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