Re: /proc/self/oom_adj is deprecated in newer Linux kernels

On fre, 2011-09-16 at 10:57 -0400, Tom Lane wrote:
> So it looks like it behooves us to cater for oom_score_adj in the
> future.  The simplest, least risky change that I can think of is to
> copy-and-paste the relevant #ifdef code block in fork_process.c.
> If we do that, then it would be up to the packager whether to #define
> LINUX_OOM_ADJ or LINUX_OOM_SCORE_ADJ or both depending on the behavior
> he wants.

There are lots of reasons why that won't work: backports, forward ports,
derivatives, custom kernels, distribution upgrades, virtual hosting.

ISTM that we could at least query the currently used kernel version.