[RFC][-mm][PATCH 0/6] oom-killer: total renewal

[KAMEZAWA Hiroyuki]

Hi, as discussed in "Memory overcommit" threads, I started rewrite.

This is just for showing "I started" (not just chating or sleeping ;)

All implemtations are not fixed yet. So feel free to do any comments.
This set is for minimum change set, I think. Some more rich functions
can be implemented based on this.

All patches are against "mm-of-the-moment snapshot 2009-11-01-10-01"

Patches are organized as

(1) pass oom-killer more information, classification and fix mempolicy case.
(2) counting swap usage
(3) counting lowmem usage
(4) fork bomb detector/killer
(5) check expansion of total_vm
(6) rewrite __badness().

passed small tests on x86-64 boxes.

Thanks,
-Kame

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