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Message-ID: <20160624152212.5uutwkvfmj6sr24c@treble>
Date: Fri, 24 Jun 2016 10:22:12 -0500
From: Josh Poimboeuf <jpoimboe@...hat.com>
To: Andy Lutomirski <luto@...nel.org>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
Borislav Petkov <bp@...en8.de>, Nadav Amit <nadav.amit@...il.com>,
Kees Cook <keescook@...omium.org>, Brian Gerst <brgerst@...il.com>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Jann Horn <jann@...jh.net>, Heiko Carstens <heiko.carstens@...ibm.com>,
Vladimir Davydov <vdavydov@...tuozzo.com>,
Johannes Weiner <hannes@...xchg.org>, Michal Hocko <mhocko@...nel.org>,
linux-mm@...ck.org
Subject: Re: [PATCH v4 07/16] mm: Fix memcg stack accounting for sub-page
stacks
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@...tuozzo.com>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Michal Hocko <mhocko@...nel.org>
> Cc: linux-mm@...ck.org
> Reviewed-by: Vladimir Davydov <vdavydov@...tuozzo.com>
> Acked-by: Michal Hocko <mhocko@...e.com>
> Signed-off-by: Andy Lutomirski <luto@...nel.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@...hat.com>
--
Josh
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