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From: "J.Hwan Kim" <frog1120@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: allocation of contiguous memory in kernel mode
Date: Fri, 10 Aug 2012 00:47:02 +0900	[thread overview]
Message-ID: <5023DB76.1030908@gmail.com> (raw)

Hi, everyone

I wish to alloc physically contiguous memory in kernel mode.
I used the __get_free_pages(gfp_mask, order) function,
but it fails occasionary.
I guess it is caused by memory fragmentation.
My code is kernel driver module which cannot use
bootmem allocation and its platform is x86_64.
My server desktop has 20GB memory.
I wish to know the method to allocate physically
contiguous memory not failing by fragmentation.

Thanks in advance.

Best Regards,
J.Hwan Kim


             reply	other threads:[~2012-08-09 15:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-09 15:47 J.Hwan Kim [this message]
2012-08-13 22:02 ` allocation of contiguous memory in kernel mode Chris Friesen

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