[PATCH 0/2] oom: sysrq+f shouldn't not panic the system + cleanup

[Michal Hocko]

Hi,
I have split the patch sent previously http://marc.info/?l=linux-mm&m=143323521519798&w=2
into two parts. The first patch prevents from the panic when OOM
killer is sysrq triggered. This is an obvious bug fix and hopefuly not
controversial.

I still believe that combining the regular and the sysrq triggered OOM
paths is ugly, error prone and it deserves a split up which is done in
the second patch. There are no functional changes introduced there.
I have dropped __oom_kill_process part because this one turned out
to be harmless for for the sysrq+f path - I couldn't have found any
interruptible sleep after exit_signals.
I find the resulting code easier to follow (35 (+), 22 (-) sounds like a
reasonable code overhead for that purpose).

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