Re: [PATCH] OOM killer

[Savochkin Andrey Vladimirovich <saw@msu.ru>]

On Sun, Aug 16, 1998 at 06:34:32PM +0200, Rik van Riel wrote:
> Hi,
> 
> here is the first patch that provides kernel-based out-of-memory
> killing.
> 
> It is only here to try if it works, I know it compiles but
> I haven't even booted it yet :)
> 
> Basically, when kswapd fails to free up pages, we're out of
> memory and the system would otherwise die, the added functions
> select a process to kill.
> 
> I don't know if it will always select the right process, nor
> if it even works correctly. All I do know is that the code
> is currently _VERY_ dirty and that it needs some major cleanups
> and sysctl tunables; right now I don't even dare sending Linus
> a cc: of this message :-)  [Linus, if you read this, don't
> read on unless you don't mind ROFLing]

Rik,

Don't you think that it would be much easier if we just implement
"kill priorities" which applications will set themselves?
Certainly, only a limited range of the priorities will be available
for non privileged applications. If people think that this application
is something special (like X or long standing computation programs
or anything else) they set a non default killing priority for the process.
Among other applications it isn't matter which one will be killed first.

Best wishes
					Andrey V.
					Savochkin
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