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Date: Thu, 28 Oct 2004 02:40:39 -0700
From: Andrew Morton <akpm@osdl.org>
To: Michael Clark <michael@metaparadigm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.9 page allocation failure. order:0, mode:0x20
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Michael Clark <michael@metaparadigm.com> wrote:
>
> BTW - 2.6 is much more responsive than 2.4 while this is all
>  going on - i'm just worried about these messages.

It's just debugging stuff.

>  ~mc
> 
>  cc1: page allocation failure. order:0, mode:0x20
>    [<c013ba43>] __alloc_pages+0x1c3/0x390
>    [<c013bc35>] __get_free_pages+0x25/0x40
>    [<c013f283>] kmem_getpages+0x23/0xd0
>    [<c013ffcf>] cache_grow+0xaf/0x160
>    [<c0140202>] cache_alloc_refill+0x182/0x230
>    [<c0140499>] kmem_cache_alloc+0x49/0x50
>    [<c01c07df>] radix_tree_node_alloc+0x1f/0x70
>    [<c01c0aad>] radix_tree_insert+0xed/0x110
>    [<c014d841>] __add_to_swap_cache+0x71/0x100
>    [<c014da5f>] add_to_swap+0x5f/0xc0
>    [<c0142d32>] shrink_list+0x442/0x480
>    [<c014bf7c>] page_referenced_anon+0x7c/0x90
>    [<c01419c8>] __pagevec_release+0x28/0x40

I'm confused.  2.6.9 uses __GFP_NOWARN in add_to_swap() so the messages
should be suppressed.  Are you sure you're using 2.6.9?
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