>[ .... about non-overcommit .... ]
>> > Nobody feels its very important because nobody has implemented it.
>
>Enterprises use other systems because they have much better resource
>management than Linux -- adding non-overcommit wouldn't help them much.
>Desktop users, Linux newbies don't understand what's
>eager/early/non-overcommit vs lazy/late/overcommit memory management
>[just see these threads here if you aren't bored already enough ;)] and
>even if they do at last they don't have the ability to implement it. And
>between them, people are mostly fine with ulimit.
>
>> Small correction - It was implemented, just not included in the standard
>> kernel.
>
>Please note, adding optional non-overcommit also wouldn't help much
>without guaranteed/reserved resources [e.g. you are OOM -> appps, users
>complain, admin login in and BANG OOM killer just killed one of the
>jobs]. This was one of the reasons I made the reserved root memory
>patch [this is also the way other OS'es do]. Now just the different
>patches should be merged and write an OOM FAQ for users how to avoid,
>control, etc it].
I'm currently trying to apply the 2.3.99.whatever non-overcommit patch to
2.4.1 - decidedly nontrivial, lots of failed hunks, parts of the kernel
have changed significantly even in this (fairly short) time.
--------------------------------------------------------------
from: Jonathan "Chromatix" Morton
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