Re: Misleading OOM messages

[Christoph Lameter]

On Fri, 15 May 2009, Pavel Machek wrote:

> > Nope. If you have too little memory for your app then the kernel pages
> > portions of the app out to disk. Thats is why you have a VM (VIRTUAL
> > machine). The app is not running with physical memory.
>
> Try running your machine with mem=8M, then tell me how virtual memory
> works.

Well that is of course not enough memory. And you intentionally screwed up
your setup.

> If you have *way* too little RAM, you OOM. (Kernel data is
> unswappable. Task struct is 8KB. At some point it breaks).

I do not see anyone doubting that this is the case.

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