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From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.cz>,
	David Rientjes <rientjes@google.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	azurIt <azurit@pobox.sk>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org,
	linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 1/7] arch: mm: remove obsolete init OOM protection
Date: Tue, 6 Aug 2013 12:04:48 +0530	[thread overview]
Message-ID: <52009908.3070609@synopsys.com> (raw)
In-Reply-To: <1375549200-19110-2-git-send-email-hannes@cmpxchg.org>

Hi Johannes,

Thk for the cleanup.

On 08/03/2013 10:29 PM, Johannes Weiner wrote:
> Back before smart OOM killing, when faulting tasks where killed
> directly on allocation failures, the arch-specific fault handlers
> needed special protection for the init process.
> 
> Now that all fault handlers call into the generic OOM killer (609838c
> "mm: invoke oom-killer from remaining unconverted page fault
> handlers"), which already provides init protection, the arch-specific
> leftovers can be removed.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Reviewed-by: Michal Hocko <mhocko@suse.cz>
> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> ---
>  arch/arc/mm/fault.c   | 5 -----
>  arch/score/mm/fault.c | 6 ------
>  arch/tile/mm/fault.c  | 6 ------
>  3 files changed, 17 deletions(-)

Acked-by: Vineet Gupta <vgupta@synopsys.com>  [arch/arc bits]

-Vineet

--
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WARNING: multiple messages have this Message-ID (diff)
From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.cz>,
	David Rientjes <rientjes@google.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	azurIt <azurit@pobox.sk>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org,
	linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 1/7] arch: mm: remove obsolete init OOM protection
Date: Tue, 6 Aug 2013 12:04:48 +0530	[thread overview]
Message-ID: <52009908.3070609@synopsys.com> (raw)
Message-ID: <20130806063448.DFldcRYplkDL28kmShDXHGiK2R-J9MMTMO52xXnRyFc@z> (raw)
In-Reply-To: <1375549200-19110-2-git-send-email-hannes@cmpxchg.org>

Hi Johannes,

Thk for the cleanup.

On 08/03/2013 10:29 PM, Johannes Weiner wrote:
> Back before smart OOM killing, when faulting tasks where killed
> directly on allocation failures, the arch-specific fault handlers
> needed special protection for the init process.
> 
> Now that all fault handlers call into the generic OOM killer (609838c
> "mm: invoke oom-killer from remaining unconverted page fault
> handlers"), which already provides init protection, the arch-specific
> leftovers can be removed.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Reviewed-by: Michal Hocko <mhocko@suse.cz>
> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> ---
>  arch/arc/mm/fault.c   | 5 -----
>  arch/score/mm/fault.c | 6 ------
>  arch/tile/mm/fault.c  | 6 ------
>  3 files changed, 17 deletions(-)

Acked-by: Vineet Gupta <vgupta@synopsys.com>  [arch/arc bits]

-Vineet

WARNING: multiple messages have this Message-ID (diff)
From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.cz>,
	David Rientjes <rientjes@google.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	azurIt <azurit@pobox.sk>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	<linux-mm@kvack.org>, <cgroups@vger.kernel.org>, <x86@kernel.org>,
	<linux-arch@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [patch 1/7] arch: mm: remove obsolete init OOM protection
Date: Tue, 6 Aug 2013 12:04:48 +0530	[thread overview]
Message-ID: <52009908.3070609@synopsys.com> (raw)
In-Reply-To: <1375549200-19110-2-git-send-email-hannes@cmpxchg.org>

Hi Johannes,

Thk for the cleanup.

On 08/03/2013 10:29 PM, Johannes Weiner wrote:
> Back before smart OOM killing, when faulting tasks where killed
> directly on allocation failures, the arch-specific fault handlers
> needed special protection for the init process.
> 
> Now that all fault handlers call into the generic OOM killer (609838c
> "mm: invoke oom-killer from remaining unconverted page fault
> handlers"), which already provides init protection, the arch-specific
> leftovers can be removed.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Reviewed-by: Michal Hocko <mhocko@suse.cz>
> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> ---
>  arch/arc/mm/fault.c   | 5 -----
>  arch/score/mm/fault.c | 6 ------
>  arch/tile/mm/fault.c  | 6 ------
>  3 files changed, 17 deletions(-)

Acked-by: Vineet Gupta <vgupta@synopsys.com>  [arch/arc bits]

-Vineet

  reply	other threads:[~2013-08-06  6:34 UTC|newest]

Thread overview: 227+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-03 16:59 [patch 0/7] improve memcg oom killer robustness v2 Johannes Weiner
2013-08-03 16:59 ` Johannes Weiner
2013-08-03 16:59 ` [patch 1/7] arch: mm: remove obsolete init OOM protection Johannes Weiner
2013-08-03 16:59   ` Johannes Weiner
2013-08-06  6:34   ` Vineet Gupta [this message]
2013-08-06  6:34     ` Vineet Gupta
2013-08-06  6:34     ` Vineet Gupta
2013-08-03 16:59 ` [patch 2/7] arch: mm: do not invoke OOM killer on kernel fault OOM Johannes Weiner
2013-08-03 16:59   ` Johannes Weiner
2013-08-03 16:59 ` [patch 3/7] arch: mm: pass userspace fault flag to generic fault handler Johannes Weiner
2013-08-03 16:59   ` Johannes Weiner
2013-08-05 22:06   ` Andrew Morton
2013-08-05 22:06     ` Andrew Morton
2013-08-05 22:25     ` Johannes Weiner
2013-08-05 22:25       ` Johannes Weiner
2013-08-03 16:59 ` [patch 4/7] x86: finish user fault error path with fatal signal Johannes Weiner
2013-08-03 16:59   ` Johannes Weiner
2013-08-03 16:59 ` [patch 5/7] mm: memcg: enable memcg OOM killer only for user faults Johannes Weiner
2013-08-03 16:59   ` Johannes Weiner
2013-08-05  9:18   ` Michal Hocko
2013-08-05  9:18     ` Michal Hocko
2013-08-03 16:59 ` [patch 6/7] mm: memcg: rework and document OOM waiting and wakeup Johannes Weiner
2013-08-03 16:59   ` Johannes Weiner
2013-08-03 17:00 ` [patch 7/7] mm: memcg: do not trap chargers with full callstack on OOM Johannes Weiner
2013-08-03 17:00   ` Johannes Weiner
     [not found]   ` <1375549200-19110-8-git-send-email-hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-08-05  9:54     ` Michal Hocko
2013-08-05  9:54       ` Michal Hocko
2013-08-05  9:54       ` Michal Hocko
2013-08-05 20:56       ` Johannes Weiner
2013-08-05 20:56         ` Johannes Weiner
2013-08-03 17:08 ` [patch 0/7] improve memcg oom killer robustness v2 Johannes Weiner
2013-08-03 17:08   ` Johannes Weiner
     [not found]   ` <20130803170831.GB23319-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-08-09  9:06     ` azurIt
2013-08-09  9:06       ` azurIt
2013-08-09  9:06       ` azurIt
2013-08-30 19:58   ` azurIt
2013-08-30 19:58     ` azurIt
2013-09-02 10:38     ` azurIt
2013-09-02 10:38       ` azurIt
2013-09-03 20:48       ` Johannes Weiner
2013-09-03 20:48         ` Johannes Weiner
2013-09-04  7:53         ` azurIt
2013-09-04  7:53           ` azurIt
2013-09-04  7:53           ` azurIt
2013-09-04  7:53           ` azurIt
2013-09-04  8:18         ` azurIt
2013-09-04  8:18           ` azurIt
2013-09-05 11:54           ` Johannes Weiner
2013-09-05 11:54             ` Johannes Weiner
2013-09-05 12:43             ` Michal Hocko
2013-09-05 12:43               ` Michal Hocko
2013-09-05 16:18               ` Johannes Weiner
2013-09-05 16:18                 ` Johannes Weiner
2013-09-09 12:36                 ` Michal Hocko
2013-09-09 12:36                   ` Michal Hocko
2013-09-09 12:56                   ` Michal Hocko
2013-09-09 12:56                     ` Michal Hocko
2013-09-12 12:59                     ` Johannes Weiner
2013-09-12 12:59                       ` Johannes Weiner
     [not found]                       ` <20130912125938.GP856-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-09-16 14:03                         ` Michal Hocko
2013-09-16 14:03                           ` Michal Hocko
2013-09-16 14:03                           ` Michal Hocko
2013-09-05 13:24             ` Michal Hocko
2013-09-05 13:24               ` Michal Hocko
2013-09-09 13:10             ` azurIt
2013-09-09 13:10               ` azurIt
2013-09-09 17:28               ` Johannes Weiner
2013-09-09 17:28                 ` Johannes Weiner
2013-09-09 19:59                 ` azurIt
2013-09-09 19:59                   ` azurIt
2013-09-09 20:12                   ` Johannes Weiner
2013-09-09 20:12                     ` Johannes Weiner
2013-09-09 20:18                     ` azurIt
2013-09-09 20:18                       ` azurIt
2013-09-09 21:08                     ` azurIt
2013-09-09 21:08                       ` azurIt
2013-09-10 18:13                     ` azurIt
2013-09-10 18:13                       ` azurIt
2013-09-10 18:37                       ` Johannes Weiner
2013-09-10 18:37                         ` Johannes Weiner
2013-09-10 19:32                         ` azurIt
2013-09-10 19:32                           ` azurIt
2013-09-10 20:12                           ` Johannes Weiner
2013-09-10 20:12                             ` Johannes Weiner
     [not found]                             ` <20130910201222.GA25972-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-09-10 21:08                               ` azurIt
2013-09-10 21:08                                 ` azurIt
2013-09-10 21:08                                 ` azurIt
2013-09-10 21:18                                 ` Johannes Weiner
2013-09-10 21:18                                   ` Johannes Weiner
2013-09-10 21:32                                   ` azurIt
2013-09-10 21:32                                     ` azurIt
2013-09-10 22:03                                     ` Johannes Weiner
2013-09-10 22:03                                       ` Johannes Weiner
2013-09-11 12:33                                       ` azurIt
2013-09-11 12:33                                         ` azurIt
     [not found]                                         ` <20130911143305.FFEAD399-Rm0zKEqwvD4@public.gmane.org>
2013-09-11 18:03                                           ` Johannes Weiner
2013-09-11 18:03                                             ` Johannes Weiner
2013-09-11 18:03                                             ` Johannes Weiner
2013-09-11 18:54                                             ` azurIt
2013-09-11 18:54                                               ` azurIt
2013-09-11 19:11                                               ` Johannes Weiner
2013-09-11 19:11                                                 ` Johannes Weiner
2013-09-11 19:41                                                 ` azurIt
2013-09-11 19:41                                                   ` azurIt
2013-09-11 20:04                                                   ` Johannes Weiner
2013-09-11 20:04                                                     ` Johannes Weiner
2013-09-14 10:48                                                     ` azurIt
2013-09-14 10:48                                                       ` azurIt
2013-09-16 13:40                                                       ` Michal Hocko
2013-09-16 13:40                                                         ` Michal Hocko
2013-09-16 14:01                                                         ` azurIt
2013-09-16 14:01                                                           ` azurIt
2013-09-16 14:06                                                           ` Michal Hocko
2013-09-16 14:06                                                             ` Michal Hocko
     [not found]                                                             ` <20130916140607.GC3674-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-09-16 14:13                                                               ` azurIt
2013-09-16 14:13                                                                 ` azurIt
2013-09-16 14:13                                                                 ` azurIt
2013-09-16 14:57                                                                 ` Michal Hocko
2013-09-16 14:57                                                                   ` Michal Hocko
2013-09-16 15:05                                                                   ` azurIt
2013-09-16 15:05                                                                     ` azurIt
     [not found]                                                                     ` <20130916170543.77F1ECB4-Rm0zKEqwvD4@public.gmane.org>
2013-09-16 15:17                                                                       ` Johannes Weiner
2013-09-16 15:17                                                                         ` Johannes Weiner
2013-09-16 15:17                                                                         ` Johannes Weiner
2013-09-16 15:24                                                                         ` azurIt
2013-09-16 15:24                                                                           ` azurIt
2013-09-16 15:25                                                                     ` Michal Hocko
2013-09-16 15:25                                                                       ` Michal Hocko
2013-09-16 15:40                                                                       ` azurIt
2013-09-16 15:40                                                                         ` azurIt
2013-09-16 20:52                                                                       ` azurIt
2013-09-16 20:52                                                                         ` azurIt
2013-09-17  0:02                                                                         ` Johannes Weiner
2013-09-17  0:02                                                                           ` Johannes Weiner
2013-09-17 11:15                                                                           ` azurIt
2013-09-17 11:15                                                                             ` azurIt
2013-09-17 11:15                                                                             ` azurIt
2013-09-17 14:10                                                                             ` Michal Hocko
2013-09-17 14:10                                                                               ` Michal Hocko
     [not found]                                                                               ` <20130917141013.GA30838-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-09-18 14:03                                                                                 ` azurIt
2013-09-18 14:03                                                                                   ` azurIt
2013-09-18 14:03                                                                                   ` azurIt
2013-09-18 14:24                                                                                   ` Michal Hocko
2013-09-18 14:24                                                                                     ` Michal Hocko
2013-09-18 14:33                                                                                     ` azurIt
2013-09-18 14:33                                                                                       ` azurIt
     [not found]                                                                                       ` <20130918163306.3620C973-Rm0zKEqwvD4@public.gmane.org>
2013-09-18 14:42                                                                                         ` Michal Hocko
2013-09-18 14:42                                                                                           ` Michal Hocko
2013-09-18 14:42                                                                                           ` Michal Hocko
2013-09-18 18:02                                                                                           ` azurIt
2013-09-18 18:02                                                                                             ` azurIt
     [not found]                                                                                             ` <20130918200239.DDA96791-Rm0zKEqwvD4@public.gmane.org>
2013-09-18 18:36                                                                                               ` Michal Hocko
2013-09-18 18:36                                                                                                 ` Michal Hocko
2013-09-18 18:36                                                                                                 ` Michal Hocko
     [not found]                                                                                   ` <20130918160304.6EDF2729-Rm0zKEqwvD4@public.gmane.org>
2013-09-18 18:04                                                                                     ` Johannes Weiner
2013-09-18 18:04                                                                                       ` Johannes Weiner
     [not found]                                                                                       ` <20130918180455.GD856-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-09-18 18:19                                                                                         ` Johannes Weiner
2013-09-18 18:19                                                                                           ` Johannes Weiner
     [not found]                                                                                           ` <20130918181946.GE856-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-09-18 19:55                                                                                             ` Johannes Weiner
2013-09-18 19:55                                                                                               ` Johannes Weiner
2013-09-18 19:55                                                                                               ` Johannes Weiner
     [not found]                                                                                               ` <20130918195504.GF856-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-09-18 20:52                                                                                                 ` azurIt
2013-09-18 20:52                                                                                                   ` azurIt
2013-09-18 20:52                                                                                                   ` azurIt
2013-09-25  7:26                                                                                                 ` azurIt
2013-09-25  7:26                                                                                                   ` azurIt
2013-09-25  7:26                                                                                                   ` azurIt
2013-09-26 16:54                                                                                                 ` azurIt
2013-09-26 16:54                                                                                                   ` azurIt
2013-09-26 16:54                                                                                                   ` azurIt
2013-09-26 19:27                                                                                                   ` Johannes Weiner
2013-09-26 19:27                                                                                                     ` Johannes Weiner
     [not found]                                                                                                     ` <20130926192743.GP856-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-09-27  2:04                                                                                                       ` azurIt
2013-09-27  2:04                                                                                                         ` azurIt
2013-09-27  2:04                                                                                                         ` azurIt
2013-09-27  2:04                                                                                                         ` azurIt
2013-10-07 11:01                                                                                                     ` azurIt
2013-10-07 11:01                                                                                                       ` azurIt
2013-10-07 11:01                                                                                                       ` azurIt
2013-10-07 11:01                                                                                                       ` azurIt
     [not found]                                                                                                       ` <20131007130149.5F5482D8-Rm0zKEqwvD4@public.gmane.org>
2013-10-07 19:23                                                                                                         ` Johannes Weiner
2013-10-07 19:23                                                                                                           ` Johannes Weiner
     [not found]                                                                                                           ` <20131007192336.GU856-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-10-09 18:44                                                                                                             ` azurIt
2013-10-09 18:44                                                                                                               ` azurIt
2013-10-09 18:44                                                                                                               ` azurIt
     [not found]                                                                                                               ` <20131009204450.6AB97915-Rm0zKEqwvD4@public.gmane.org>
2013-10-10  0:14                                                                                                                 ` Johannes Weiner
2013-10-10  0:14                                                                                                                   ` Johannes Weiner
2013-10-10  0:14                                                                                                                   ` Johannes Weiner
     [not found]                                                                                                                   ` <20131010001422.GB856-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-10-10 22:59                                                                                                                     ` azurIt
2013-10-10 22:59                                                                                                                       ` azurIt
2013-10-10 22:59                                                                                                                       ` azurIt
2013-09-17 11:20                                                                           ` azurIt
2013-09-17 11:20                                                                             ` azurIt
2013-09-16 10:22                                                     ` azurIt
2013-09-16 10:22                                                       ` azurIt
2013-09-04  9:45         ` azurIt
2013-09-04  9:45           ` azurIt
2013-09-04 11:57           ` Michal Hocko
2013-09-04 11:57             ` Michal Hocko
     [not found]             ` <20130904115741.GA28285-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-09-04 12:10               ` azurIt
2013-09-04 12:10                 ` azurIt
2013-09-04 12:10                 ` azurIt
     [not found]                 ` <20130904141000.0F910EFA-Rm0zKEqwvD4@public.gmane.org>
2013-09-04 12:26                   ` Michal Hocko
2013-09-04 12:26                     ` Michal Hocko
2013-09-04 12:26                     ` Michal Hocko
2013-09-04 12:39                     ` azurIt
2013-09-04 12:39                       ` azurIt
2013-09-05  9:14                     ` azurIt
2013-09-05  9:14                       ` azurIt
2013-09-05  9:53                       ` Michal Hocko
2013-09-05  9:53                         ` Michal Hocko
2013-09-05 10:17                         ` azurIt
2013-09-05 10:17                           ` azurIt
     [not found]                           ` <20130905121700.546B5881-Rm0zKEqwvD4@public.gmane.org>
2013-09-05 11:17                             ` Michal Hocko
2013-09-05 11:17                               ` Michal Hocko
2013-09-05 11:17                               ` Michal Hocko
2013-09-05 11:47                               ` azurIt
2013-09-05 11:47                                 ` azurIt
2013-09-05 12:03                                 ` Michal Hocko
2013-09-05 12:03                                   ` Michal Hocko
     [not found]                                   ` <20130905120347.GA13666-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-09-05 12:33                                     ` azurIt
2013-09-05 12:33                                       ` azurIt
2013-09-05 12:33                                       ` azurIt
2013-09-05 12:45                                       ` Michal Hocko
2013-09-05 12:45                                         ` Michal Hocko
2013-09-05 13:00                                         ` azurIt
2013-09-05 13:00                                           ` azurIt

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