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From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Problem with OOM killer killing process even when there is plenty of RAM.
Date: Wed, 7 Dec 2011 11:35:36 -0800	[thread overview]
Message-ID: <20111207193536.GB23314@kroah.com> (raw)
In-Reply-To: <2200561.vLDSc536eT@terranet>

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@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

  reply	other threads:[~2011-12-07 19:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-06 18:47 Problem with OOM killer killing process even when there is plenty of RAM mindentropy
2011-12-07  5:37 ` Rajat Sharma
2011-12-07 19:13   ` mindentropy
2011-12-07 18:38 ` Mulyadi Santosa
2011-12-07 19:06   ` mindentropy
2011-12-07 19:35     ` Greg KH [this message]
2011-12-07 19:56       ` mindentropy
2011-12-07 20:11         ` Greg KH
2011-12-08  6:50           ` Rajat Sharma
2011-12-08 16:17     ` Mulyadi Santosa
2011-12-09 11:45       ` Pritam Bankar

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