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Subject: RE: Commenting out out_of_memory() function in __alloc_pages()
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Abu M. Muttalib" <abum@aftek.com>
Cc: Robert Hancock <hancockr@shaw.ca>, chase.venters@clientec.com,
       kernelnewbies@nl.linux.org, linux-newbie@vger.kernel.org,
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Date: Sun, 09 Jul 2006 13:09:57 +0100
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Ar Sul, 2006-07-09 am 17:18 +0530, ysgrifennodd Abu M. Muttalib:
> but I am running the application on an embedded device and have no swap..
> what do I need to do in this case??

Use less memory ?

You can play with /proc/sys/vm/overcommit_ratio. That is set at 50%
which is usually a good safe value with swap. If you know the kernel and
kernel memory will be 20% of memory worst case you can set it to 80 and
so on.