[Voyage-linux] Re: Watchdog configuration

[Robert Rawlins]

Hi Thomas,

>> 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

Thanks for your opinion on this. I'll try working to this idea this afternoon, create a memory leak on the system and see if it triggers properly.

Thank you,

Robert