From: Russell King <rmk@arm.linux.org.uk>
To: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Lameter <clameter@sgi.com>,
linux-mm@vger.kernel.org, Nick Piggin <nickpiggin@yahoo.com.au>,
linux-ia64@vger.kernel.org, Marcelo Tosatti <marcelo@kvack.org>,
Arjan van de Ven <arjan@infradead.org>,
Martin Bligh <mbligh@google.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andi Kleen <ak@suse.de>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 2/6] Introduce CONFIG_ZONE_DMA
Date: Mon, 18 Sep 2006 15:42:36 +0100 [thread overview]
Message-ID: <20060918144235.GD1523@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20060918135559.GB15096@infradead.org>
On Mon, Sep 18, 2006 at 02:55:59PM +0100, Christoph Hellwig wrote:
> Let's pass this on to linux-arch so that the arch maintainers can give input
> whether they need ZONE_DMA or not. If this just sneaks in unseen I'd bet
> various architectures will just keept it around despite not needing it.
Thanks Chris - I'd have missed this otherwise.
FWIW, several ARM platforms do make use of ZONE_DMA, though not all, so
it's not safe to assume that it can be turned off just because it's ARM.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
WARNING: multiple messages have this Message-ID (diff)
From: Russell King <rmk@arm.linux.org.uk>
To: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Lameter <clameter@sgi.com>,
linux-mm@vger.kernel.org, Nick Piggin <nickpiggin@yahoo.com.au>,
linux-ia64@vger.kernel.org, Marcelo Tosatti <marcelo@kvack.org>,
Arjan van de Ven <arjan@infradead.org>,
Martin Bligh <mbligh@google.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andi Kleen <ak@suse.de>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 2/6] Introduce CONFIG_ZONE_DMA
Date: Mon, 18 Sep 2006 14:42:36 +0000 [thread overview]
Message-ID: <20060918144235.GD1523@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20060918135559.GB15096@infradead.org>
On Mon, Sep 18, 2006 at 02:55:59PM +0100, Christoph Hellwig wrote:
> Let's pass this on to linux-arch so that the arch maintainers can give input
> whether they need ZONE_DMA or not. If this just sneaks in unseen I'd bet
> various architectures will just keept it around despite not needing it.
Thanks Chris - I'd have missed this otherwise.
FWIW, several ARM platforms do make use of ZONE_DMA, though not all, so
it's not safe to assume that it can be turned off just because it's ARM.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2006-09-18 14:43 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 [this message]
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
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 2/6] Introduce CONFIG_ZONE_DMA Christoph Lameter
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