From: Paul Mundt <lethal@linux-sh.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-mm@kvack.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,
James Bottomley <James.Bottomley@steeleye.com>,
Russell King <rmk@arm.linux.org.uk>
Subject: Re: [PATCH 2/6] Introduce CONFIG_ZONE_DMA
Date: Mon, 18 Sep 2006 22:45:48 +0000 [thread overview]
Message-ID: <20060918224548.GA6284@localhost.usen.ad.jp> (raw)
In-Reply-To: <20060918183655.19679.51633.sendpatchset@schroedinger.engr.sgi.com> <Pine.LNX.4.64.0609181031420.19312@schroedinger.engr.sgi.com>
On Mon, Sep 18, 2006 at 10:33:00AM -0700, Christoph Lameter wrote:
> sh64 has the same strange code as parisc:
>
> config GENERIC_ISA_DMA
> bool
>
> You do not have ISA_DMA so I should drop these lines?
>
It doesn't really matter, this notation basically keeps it disabled
anyways (you'll note the absence of it from the defconfigs).
On Mon, Sep 18, 2006 at 11:36:55AM -0700, Christoph Lameter wrote:
> Index: linux-2.6.18-rc6-mm2/arch/sh/mm/init.c
> =================================> --- linux-2.6.18-rc6-mm2.orig/arch/sh/mm/init.c 2006-09-18 12:54:04.733274009 -0500
> +++ linux-2.6.18-rc6-mm2/arch/sh/mm/init.c 2006-09-18 12:58:58.563038661 -0500
> @@ -156,7 +156,6 @@ void __init paging_init(void)
> * Setup some defaults for the zone sizes.. these should be safe
> * regardless of distcontiguous memory or MMU settings.
> */
> - zones_size[ZONE_DMA] = 0 >> PAGE_SHIFT;
> zones_size[ZONE_NORMAL] = __MEMORY_SIZE >> PAGE_SHIFT;
> #ifdef CONFIG_HIGHMEM
> zones_size[ZONE_HIGHMEM] = 0 >> PAGE_SHIFT;
You've missed the other ZONE_DMA references, if you scroll a bit further
down that's where we fill in ZONE_DMA, this is simply the default zone
layout that we rely on for nommu.
sh64 part looks fine.
next prev parent reply other threads:[~2006-09-18 22:45 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060918183614.19679.50359.sendpatchset@schroedinger.engr.sgi.com>
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 14:08 ` Martin Schwidefsky
2006-09-18 17:28 ` Christoph Lameter
2006-09-19 8:03 ` Martin Schwidefsky
2006-09-18 14:42 ` Russell King
2006-09-18 14:58 ` James Bottomley
2006-09-18 17:30 ` Christoph Lameter
2006-09-18 15:22 ` Paul Mundt
2006-09-18 17:33 ` Christoph Lameter
2006-09-18 22:45 ` Paul Mundt [this message]
2006-09-18 22:58 ` Christoph Lameter
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 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 17:53 ` 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 17:49 ` Jack Steiner
2006-09-13 18:00 ` Christoph Lameter
2006-09-14 8:52 ` Jes Sorensen
2006-09-14 16:55 ` Christoph Lameter
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