From: Nick Piggin <nickpiggin@yahoo.com.au>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH 3/6] Optional ZONE_DMA in the VM
Date: Tue, 12 Sep 2006 02:40:29 +0000 [thread overview]
Message-ID: <45061E1D.4060407@yahoo.com.au> (raw)
In-Reply-To: <20060911222744.4849.26386.sendpatchset@schroedinger.engr.sgi.com>
Christoph Lameter wrote:
>On Tue, 12 Sep 2006, Nick Piggin wrote:
>
>
>>I can't see from your patches, but what happens if someone asks
>>for a GFP_DMA page or dma slab allocation when there is no ZONE_DMA?
>>
>
>The page/slab allocator will simply ignore the flag and return
>ZONE_NORMAL memory. See gfp_zone().
>
That's wrong, I think? It should return NULL surely? (and possibly do
a printk telling the user they should enable ZONE_DMA config, although
some users have valid fallback strategies).
--
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next prev parent reply other threads:[~2006-09-12 2:40 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-18 18:36 [PATCH 0/8] Optional ZONE_DMA V2 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-11 22:27 ` [PATCH 0/8] Optional ZONE_DMA V1 Christoph Lameter
2006-09-11 22:27 ` [PATCH 2/6] Introduce CONFIG_ZONE_DMA Christoph Lameter
2006-09-18 13:55 ` Christoph Hellwig
2006-09-18 13:55 ` Christoph Hellwig
2006-09-18 14:08 ` Martin Schwidefsky
2006-09-18 14:08 ` Martin Schwidefsky
2006-09-18 17:28 ` Christoph Lameter
2006-09-18 17:28 ` Christoph Lameter
2006-09-19 8:03 ` Martin Schwidefsky
2006-09-19 8:03 ` Martin Schwidefsky
2006-09-18 14:42 ` Russell King
2006-09-18 14:42 ` Russell King
2006-09-18 14:58 ` James Bottomley
2006-09-18 14:58 ` James Bottomley
2006-09-18 17:30 ` Christoph Lameter
2006-09-18 17:30 ` Christoph Lameter
2006-09-18 15:22 ` Paul Mundt
2006-09-18 15:22 ` Paul Mundt
2006-09-18 17:33 ` Christoph Lameter
2006-09-18 17:33 ` Christoph Lameter
2006-09-18 17:33 ` Christoph Lameter
2006-09-18 22:45 ` Paul Mundt
2006-09-18 22:45 ` Paul Mundt
2006-09-18 22:45 ` Paul Mundt
2006-09-18 22:58 ` Christoph Lameter
2006-09-18 22:58 ` Christoph Lameter
2006-09-18 22:58 ` Christoph Lameter
2006-09-18 23:25 ` Paul Mundt
2006-09-18 23:25 ` Paul Mundt
2006-09-18 23:25 ` Paul Mundt
2006-09-11 22:27 ` [PATCH 3/6] Optional ZONE_DMA in the VM Christoph Lameter
2006-09-12 0:35 ` Nick Piggin
2006-09-12 1:40 ` Christoph Lameter
2006-09-12 1:40 ` Christoph Lameter
2006-09-12 2:40 ` Nick Piggin [this message]
2006-09-12 7:22 ` Andi Kleen
2006-09-12 8:30 ` Jes Sorensen
2006-09-12 9:12 ` Jes Sorensen
2006-09-12 18:05 ` Christoph Lameter
2006-09-12 7:30 ` [PATCH 0/8] Optional ZONE_DMA V1 Arjan van de Ven
2006-09-12 13:34 ` Jack Steiner
2006-09-12 17:25 ` Christoph Lameter
2006-09-12 17:33 ` Christoph Lameter
2006-09-12 17:47 ` Martin Bligh
2006-09-12 17:47 ` Martin Bligh
2006-09-12 17:53 ` Christoph Lameter
2006-09-12 17:53 ` Christoph Lameter
2006-09-12 17:40 ` Martin Bligh
2006-09-13 2:41 ` Nick Piggin
2006-09-13 7:55 ` Jes Sorensen
2006-09-13 7:57 ` Jes Sorensen
2006-09-13 8:10 ` Christoph Lameter
2006-09-13 9:52 ` Jes Sorensen
2006-09-13 17:23 ` Christoph Lameter
2006-09-13 17:23 ` Christoph Lameter
2006-09-13 17:49 ` Jack Steiner
2006-09-13 17:49 ` Jack Steiner
2006-09-13 18:00 ` Christoph Lameter
2006-09-13 18:00 ` Christoph Lameter
2006-09-14 8:52 ` Jes Sorensen
2006-09-14 8:52 ` Jes Sorensen
2006-09-14 16:55 ` Christoph Lameter
2006-09-14 16:55 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 1/8] Deal with cases of ZONE_DMA meaning the first zone Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 2/8] Introduce CONFIG_ZONE_DMA Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 3/8] Optional ZONE_DMA in the VM Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 4/8] Optional ZONE_DMA for i386 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 5/8] Optional ZONE_DMA for x86_64 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 6/8] Optional ZONE_DMA for ia64 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 7/8] Remove ZONE_DMA remains from parisc Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 8/8] Remove ZONE_DMA remains from sh/sh64 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
-- strict thread matches above, loose matches on Subject: below --
2006-09-11 22:30 [PATCH 0/8] Optional ZONE_DMA V1 Christoph Lameter
2006-09-11 22:30 ` [PATCH 3/6] Optional ZONE_DMA in the VM Christoph Lameter
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