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Date: Thu, 16 Jun 2005 04:30:25 +1000
From: Nick Piggin <nickpiggin@yahoo.com.au>
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To: Badari Pulavarty <pbadari@us.ibm.com>
CC: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       linux-mm@kvack.org
Subject: Re: 2.6.12-rc6-mm1 & 2K lun testing
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Badari Pulavarty wrote:

> ------------------------------------------------------------------------
> 
> elm3b29 login: dd: page allocation failure. order:0, mode:0x20
> 
> Call Trace: <IRQ> <ffffffff801632ae>{__alloc_pages+990} <ffffffff801668da>{cache_grow+314}
>        <ffffffff80166d7f>{cache_alloc_refill+543} <ffffffff80166e86>{kmem_cache_alloc+54}
>        <ffffffff8033d021>{scsi_get_command+81} <ffffffff8034181d>{scsi_prep_fn+301}

They look like they're all in scsi_get_command.
I would consider masking off __GFP_HIGH in the gfp_mask of that
function, and setting __GFP_NOWARN. It looks like it has a mempoolish
thingy in there, so perhaps it shouldn't delve so far into reserves.

-- 
SUSE Labs, Novell Inc.

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