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Re: [PATCH] mm: add config option to select the initial overcommit mode

From Sebastian Frias <sf84@laposte.net>
Newsgroups linux.kernel
Subject Re: [PATCH] mm: add config option to select the initial overcommit mode
Date 2016-05-13 15:40 +0200
Message-ID <ryltU-49j-7@gated-at.bofh.it> (permalink)
References (2 earlier) <rygXg-8iE-5@gated-at.bofh.it> <ryi30-PV-15@gated-at.bofh.it> <ryk4P-2Yo-31@gated-at.bofh.it> <rykxP-3hP-7@gated-at.bofh.it> <rylay-3Vi-17@gated-at.bofh.it>
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Hi Austin,

On 05/13/2016 03:11 PM, Austin S. Hemmelgarn wrote:
> On 2016-05-13 08:39, Sebastian Frias wrote:
>>
>> My point is that it seems to be possible to deal with such conditions in a more controlled way, ie: a way that is less random and less abrupt.
> There's an option for the OOM-killer to just kill the allocating task instead of using the scoring heuristic.  This is about as deterministic as things can get though.

By the way, why does it has to "kill" anything in that case?
I mean, shouldn't it just tell the allocating task that there's not enough memory by letting malloc return NULL?

Best regards,

Sebastian

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Thread

Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 10:10 +0200
  Re: [PATCH] mm: add config option to select the initial overcommit  mode Mason <slash.tmp@free.fr> - 2016-05-13 10:50 +0200
    Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 12:00 +0200
      Re: [PATCH] mm: add config option to select the initial overcommit  mode Mason <slash.tmp@free.fr> - 2016-05-13 12:20 +0200
        Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 12:50 +0200
        Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 13:50 +0200
          Re: [PATCH] mm: add config option to select the initial overcommit  mode Mason <slash.tmp@free.fr> - 2016-05-13 14:20 +0200
            Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 16:10 +0200
              Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 16:20 +0200
              Re: [PATCH] mm: add config option to select the initial overcommit  mode One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-05-13 17:10 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 17:40 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-05-13 17:50 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-17 10:30 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-17 11:00 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-17 18:20 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-17 19:30 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-18 17:20 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-18 18:30 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-17 22:20 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-18 17:20 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-19 09:20 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-13 19:10 +0200
        Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-13 15:30 +0200
    Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 12:00 +0200
      Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 14:10 +0200
        Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 14:40 +0200
          Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-13 15:20 +0200
            Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 15:40 +0200
              Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-13 16:20 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 16:30 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-13 17:10 +0200
              Re: [PATCH] mm: add config option to select the initial overcommit  mode One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-05-13 17:10 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 17:20 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 17:30 +0200
            Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 15:40 +0200
              Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-13 16:00 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 16:40 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 17:00 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-05-13 17:20 +0200
          Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 17:00 +0200
            Re: [PATCH] mm: add config option to select the initial overcommit  mode Mason <slash.tmp@free.fr> - 2016-05-13 17:00 +0200
              Re: [PATCH] mm: add config option to select the initial overcommit  mode One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-05-13 17:20 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Michal Hocko <mhocko@kernel.org> - 2016-05-13 17:30 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 17:40 +0200
            Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-13 17:20 +0200
              Re: [PATCH] mm: add config option to select the initial overcommit  mode One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-05-13 17:50 +0200
                Re: [PATCH] mm: add config option to select the initial overcommit  mode Sebastian Frias <sf84@laposte.net> - 2016-05-23 15:20 +0200

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