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From: Andy Lutomirski <luto@amacapital.net>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-arch <linux-arch@vger.kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Borislav Petkov <bp@alien8.de>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Brian Gerst <brgerst@gmail.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Nadav Amit <nadav.amit@gmail.com>,
	Kees Cook <keescook@chromium.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jann Horn <jann@thejh.net>,
	Vladimir Davydov <vdavydov@virtuozzo.com>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>, X86 ML <x86@kernel.org>
Subject: Re: [PATCH v2 05/13] mm: Move memcg stack accounting to account_kernel_stack
Date: Mon, 20 Jun 2016 09:05:24 -0700	[thread overview]
Message-ID: <CALCETrUhiFdNeE8BOcOYPDVLcDO6aq412iDT+Lf_9QHdmsY6Eg@mail.gmail.com> (raw)
In-Reply-To: <20160620130232.GC9892@dhcp22.suse.cz>

On Jun 20, 2016 6:02 AM, "Michal Hocko" <mhocko@kernel.org> wrote:
>
> On Fri 17-06-16 13:00:41, Andy Lutomirski wrote:
> > We should account for stacks regardless of stack size.  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
> > Signed-off-by: Andy Lutomirski <luto@kernel.org>
>
> Acked-by: Michal Hocko <mhocko@suse.com>
>

This needs the same kilobyte treatment as the other accounting patch,
so I'm going to send v3 without your ack.

--Andy

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WARNING: multiple messages have this Message-ID (diff)
From: Andy Lutomirski <luto@amacapital.net>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-arch <linux-arch@vger.kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Borislav Petkov <bp@alien8.de>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Brian Gerst <brgerst@gmail.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Nadav Amit <nadav.amit@gmail.com>,
	Kees Cook <keescook@chromium.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jann Horn <jann@thejh.net>,
	Vladimir Davydov <vdavydov@virtuozzo.com>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>, X86 ML <x86@kernel.org>
Subject: Re: [PATCH v2 05/13] mm: Move memcg stack accounting to account_kernel_stack
Date: Mon, 20 Jun 2016 09:05:24 -0700	[thread overview]
Message-ID: <CALCETrUhiFdNeE8BOcOYPDVLcDO6aq412iDT+Lf_9QHdmsY6Eg@mail.gmail.com> (raw)
Message-ID: <20160620160524.dSDUcCCqw8uh4Boi3IpCFjbjNOBqcNhspwvGidb1rq8@z> (raw)
In-Reply-To: <20160620130232.GC9892@dhcp22.suse.cz>

On Jun 20, 2016 6:02 AM, "Michal Hocko" <mhocko@kernel.org> wrote:
>
> On Fri 17-06-16 13:00:41, Andy Lutomirski wrote:
> > We should account for stacks regardless of stack size.  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
> > Signed-off-by: Andy Lutomirski <luto@kernel.org>
>
> Acked-by: Michal Hocko <mhocko@suse.com>
>

This needs the same kilobyte treatment as the other accounting patch,
so I'm going to send v3 without your ack.

--Andy

  parent reply	other threads:[~2016-06-20 16:05 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-17 20:00 [PATCH v2 00/13] Virtually mapped stacks with guard pages (x86, core) Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 01/13] x86/mm/hotplug: Don't remove PGD entries in remove_pagetable() Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 02/13] x86/cpa: In populate_pgd, don't set the pgd entry until it's populated Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 03/13] x86/cpa: Warn if kernel_unmap_pages_in_pgd is used inappropriately Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:30   ` Borislav Petkov
2016-06-18 10:29     ` Andy Lutomirski
2016-06-18 10:29       ` Andy Lutomirski
2016-06-18 10:37       ` Borislav Petkov
2016-06-18 10:37         ` Borislav Petkov
2016-06-17 20:00 ` [PATCH v2 04/13] mm: Track NR_KERNEL_STACK in KiB instead of number of stacks Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-20 13:16   ` Michal Hocko
2016-06-20 13:16     ` Michal Hocko
2016-06-17 20:00 ` [PATCH v2 05/13] mm: Move memcg stack accounting to account_kernel_stack Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:55   ` Josh Poimboeuf
2016-06-17 22:18     ` Andy Lutomirski
2016-06-20 13:02   ` Michal Hocko
2016-06-20 13:02     ` Michal Hocko
2016-06-20 16:05     ` Andy Lutomirski [this message]
2016-06-20 16:05       ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 06/13] fork: Add generic vmalloced stack support Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:57   ` Josh Poimboeuf
2016-06-17 20:57     ` Josh Poimboeuf
2016-06-17 22:18     ` Andy Lutomirski
2016-06-17 22:18       ` Andy Lutomirski
2016-06-20 13:36   ` Michal Hocko
2016-06-20 13:36     ` Michal Hocko
2016-06-20 16:13     ` Andy Lutomirski
2016-06-20 16:13       ` Andy Lutomirski
2016-06-21  8:46       ` Michal Hocko
2016-06-21 17:01         ` Andy Lutomirski
2016-06-21 17:01           ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 07/13] x86/die: Don't try to recover from an OOPS on a non-default stack Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 08/13] x86/dumpstack: When OOPSing, rewind the stack before do_exit Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 09/13] x86/dumpstack: When dumping stack bytes due to OOPS, start with regs->sp Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 10/13] x86/dumpstack: Try harder to get a call trace on stack overflow Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 11/13] x86/dumpstack/64: Handle faults when printing the "Stack:" part of an OOPS Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 12/13] x86/mm/64: Enable vmapped stacks Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski
2016-06-17 20:00 ` [PATCH v2 13/13] x86/mm: Improve stack-overflow #PF handling Andy Lutomirski
2016-06-17 20:00   ` Andy Lutomirski

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