Problem with OOM killer killing process even when there is plenty of RAM.

[Greg KH]

On Thu, Dec 08, 2011 at 12:36:43AM +0530, mindentropy wrote:
> On Thursday 08 Dec 2011 1:38:19 AM Mulyadi Santosa wrote:
> > On Wed, Dec 7, 2011 at 01:47, mindentropy <mindentropy at gmail.com> wrote:
> > > Hi,
> > > 
> > >  I am trying to allocate 512MB of RAM in my driver loaded as a module,
> > > but the OOM killer starts killing all my processes. This machine has
> > > around 24GB RAM and is a 8 core Xeon. The RAM is allocated in page size
> > > chunks (i.e. 131072 chunks each of size PAGE_SIZE).
> > 
> > mind to tell us, how do you allocate memory? kmalloc?
> Via kmalloc. 

Please use the functions written to give you large memory chunks.  As
you are using a video-for-linux device, why not use the apis that this
framework provides you for this type of thing?

thanks,

greg k-h