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Re: 答复: [PATCHv2 4.3-rc6] proc: fix convert from oom_score_adj to oom_adj

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On Mon 02-11-15 12:18:50, Dave Jones wrote:
> On Sat, Oct 31, 2015 at 09:38:31PM -0700, David Rientjes wrote:
>  > On Fri, 30 Oct 2015, Michal Hocko wrote:
>  > 
>  > > > I will hunt for other projects still using the deprecated
>  > > > file exclusively. Hopefully there won't be too many of them.
>  > > 
>  > > It doesn't look that bad afterall:
>  > > $ curl -s http://codesearch.debian.net/results/7223e657af3f2ad0/packages.json
>  > > {"Packages":["tgt","ggobi","hurd","linux","condor","wine-gecko-2.21","android-platform-frameworks-native","nautilus","procps","wireshark","intel-gpu-tools","iceweasel","icedove","ardour","linux-tools","kde4libs","nss-pam-ldapd","chromium-browser","passenger","archipel-agent-virtualmachine-oomkiller","bleachbit","tilestache","slurm-llnl","ns3","nbd","open-iscsi","mhwaveedit","nilfs-tools","stress-ng","lvm2","gradm2","audit","postgresql-common","zfs-fuse","ocfs2-tools","gimp","advene","lldpad","reniced","pitivi","trinity","petri-foo","rtai","postgresql-9.4","procenv","multipath-tools","percona-toolkit","apparmor","upstart","watchdog","boinc","fusil","util-vserver","booth","geeqie","openssh","oar","android-platform-system-core","kinit","xournal","player","gimp-gap","android-tools"]}
> >> 
>  > I did the same type of searching and fixing back then for things like 
>  > udev, chromium, openssh, etc to convert them to oom_score_adj.  It was 
>  > mostly trivial because people either set it to -17 to disable from the oom 
>  > killer or to 0 to nullify an oom-disabled process.
>  > 
>  > I'd love to be able to remove oom_adj.  I'm not sure if we can get to that 
>  > point if the instance is that "all userspace" must not write to it and it 
>  > would require users to rebuild their binaries.  If we could show that all 
>  > the major open source users of oom_adj (there can't be _that_ many that 
>  > would be significantly impacted since you needed CAP_SYS_RESOURCE to 
>  > reduce it) were converted, maybe Linus would accept it.
> 
> FWIW, you can probably remove trinity from that list.
> It only uses oom_adj as "don't write to this file if it exists".

Yeah, I have filtered it like many others for exactly this reason
-- 
Michal Hocko
SUSE Labs
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Re: 答复: [PATCHv2 4.3-rc6] proc: fix convert from oom_score_adj to oom_adj David Rientjes <rientjes@google.com> - 2015-11-01 05:40 +0100
  Re: 答复: [PATCHv2 4.3-rc6] proc:  fix convert from oom_score_adj to oom_adj Michal Hocko <mhocko@kernel.org> - 2015-11-02 14:10 +0100
  Re: 答复: [PATCHv2 4.3-rc6] proc:  fix convert from oom_score_adj to oom_adj Dave Jones <davej@codemonkey.org.uk> - 2015-11-02 18:20 +0100
    Re: 答复: [PATCHv2 4.3-rc6] proc:  fix convert from oom_score_adj to oom_adj Michal Hocko <mhocko@kernel.org> - 2015-11-02 21:30 +0100

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