[Voyage-linux] Re: Watchdog configuration

[Thomas Mueller]

> I'd ideally like to have Watchdog keep an
> eye on available memory on the system and if we reach a minimal fee
> memory limit then the system will be reset.
> 
> After looking through the Watchdog.conf manpage it gives the following
> description:
> 
> min-memory = <minpage>
> 
> Set the minimal amount of virtual memory that has to stay free. Note
> that this is in pages. Default value is 0 pages which means this test is
> disabled. The page size is taken from the system include files.
>
> My question with regards to this is, how does a 'page' refer to MB of
> free memory? How many pages make up 1 MB? For instance, if I wanted to
> reboot the system when we had only 20MB of available memory, what would
> my <minpage> setting be? This is a horribly naive question I know but
> it's not something I've worked with before. J
> 

IMHO pages in x86 means 1 page = 4 kbytes.

- Thomas