Messages in this thread | | | Date | Mon, 2 Nov 2015 12:18:50 -0500 | From | Dave Jones <> | Subject | Re: 答复: [PATCHv 2 4.3-rc6] proc: fix convert from oom_score_adj to oom_adj |
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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". It's absense would be silently ignored. The child processes have been using oom_score_adj for a long time.
Dave
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