High memory kernel support

[Kenneth E. Lussier]

On Thu, 2005-03-17 at 10:47 -0500, Charles Farinella wrote:
>  	I have a server that started throwing the following error the other
> day:
> 
> kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0)
> 
> We run some pretty memory intensive apps, and from looking at various
> logs it appears the machine ran out of memory space and started shutting
> down services.  I was able to stop and restart all of the server daemons
> and free up memory.  Since then everything seems to be fine.
> 
> In researching the cause, I find that my kernel does not have high
> memory support compiled into it (the default).  Now this is all a little
> over my head, so I'm asking here, what do you think, will recompiling
> the kernel to include high memory support resolve this?  The machine had
> been up for 168 days before this happened.

Compiling in high memory support will only help you if you plan to add
more memory. If you have between 1GB and 4GB of RAM, then you want to
set this to the 4GB option. 
 
> It has 1GB of physical RAM, and 2GB of swap space.  Slackware 10.0.

What kernel are you running?


Kenny

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