From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
To: herbert@gondor.apana.org.au
Cc: fujita.tomonori@lab.ntt.co.jp, akpm@linux-foundation.org,
linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
jens.axboe@oracle.com, tsbogend@alpha.franken.de,
bzolnier@gmail.com, James.Bottomley@HansenPartnership.com,
jeff@garzik.org, davem@davemloft.net, linux-mm@kvack.org
Subject: Re: [PATCH 1/4] block: use ARCH_KMALLOC_MINALIGN as the default dma pad mask
Date: Wed, 21 May 2008 01:09:41 +0900 [thread overview]
Message-ID: <20080521010942W.tomof@acm.org> (raw)
In-Reply-To: <20080520153424.GA11687@gondor.apana.org.au>
On Tue, 20 May 2008 23:34:24 +0800
Herbert Xu <herbert@gondor.apana.org.au> wrote:
> On Tue, May 20, 2008 at 10:25:25PM +0900, FUJITA Tomonori wrote:
> >
> > Does someone do DMA from/to __ctx?
>
> Nobody.
Then, you don't need to use ARCH_KMALLOC_MINALIGN. 8 bytes align works
for you on all the architectures.
WARNING: multiple messages have this Message-ID (diff)
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
To: herbert@gondor.apana.org.au
Cc: fujita.tomonori@lab.ntt.co.jp, akpm@linux-foundation.org,
linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
jens.axboe@oracle.com, tsbogend@alpha.franken.de,
bzolnier@gmail.com, James.Bottomley@HansenPartnership.com,
jeff@garzik.org, davem@davemloft.net, linux-mm@kvack.org
Subject: Re: [PATCH 1/4] block: use ARCH_KMALLOC_MINALIGN as the default dma pad mask
Date: Wed, 21 May 2008 01:09:41 +0900 [thread overview]
Message-ID: <20080521010942W.tomof@acm.org> (raw)
In-Reply-To: <20080520153424.GA11687@gondor.apana.org.au>
On Tue, 20 May 2008 23:34:24 +0800
Herbert Xu <herbert@gondor.apana.org.au> wrote:
> On Tue, May 20, 2008 at 10:25:25PM +0900, FUJITA Tomonori wrote:
> >
> > Does someone do DMA from/to __ctx?
>
> Nobody.
Then, you don't need to use ARCH_KMALLOC_MINALIGN. 8 bytes align works
for you on all the architectures.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2008-05-20 16:09 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-20 4:58 [PATCH 0/4] revert the commit 22a9189f (cdrom: use kmalloced buffers instead of buffers on stack) FUJITA Tomonori
2008-05-20 4:58 ` [PATCH 1/4] block: use ARCH_KMALLOC_MINALIGN as the default dma pad mask FUJITA Tomonori
2008-05-20 4:58 ` [PATCH 2/4] block: add blk_queue_update_dma_pad FUJITA Tomonori
2008-05-20 4:58 ` [PATCH 3/4] ide: use the dma safe check for REQ_TYPE_ATA_PC FUJITA Tomonori
2008-05-20 4:58 ` [PATCH 4/4] cdrom: revert commit 22a9189 (cdrom: use kmalloced buffers instead of buffers on stack) FUJITA Tomonori
2008-05-20 7:33 ` Elias Oltmanns
2008-05-20 7:42 ` Jim Paris
2008-05-20 8:14 ` Elias Oltmanns
2008-05-28 6:43 ` [PATCH 3/4] ide: use the dma safe check for REQ_TYPE_ATA_PC Borislav Petkov
2008-05-20 9:31 ` [PATCH 1/4] block: use ARCH_KMALLOC_MINALIGN as the default dma pad mask Andrew Morton
2008-05-20 9:31 ` Andrew Morton
2008-05-20 9:38 ` Herbert Xu
2008-05-20 9:38 ` Herbert Xu
2008-05-20 9:52 ` Andrew Morton
2008-05-20 9:52 ` Andrew Morton
2008-05-20 9:58 ` FUJITA Tomonori
2008-05-20 9:58 ` FUJITA Tomonori
2008-05-20 11:32 ` Herbert Xu
2008-05-20 11:32 ` Herbert Xu
2008-05-20 13:25 ` FUJITA Tomonori
2008-05-20 13:25 ` FUJITA Tomonori
2008-05-20 15:34 ` Herbert Xu
2008-05-20 15:34 ` Herbert Xu
2008-05-20 15:53 ` Plans for libsas and SAS-2? Marushak, Nathan
2008-05-20 16:09 ` FUJITA Tomonori [this message]
2008-05-20 16:09 ` [PATCH 1/4] block: use ARCH_KMALLOC_MINALIGN as the default dma pad mask FUJITA Tomonori
2008-05-21 1:26 ` Herbert Xu
2008-05-21 1:26 ` Herbert Xu
2008-05-21 1:36 ` FUJITA Tomonori
2008-05-21 1:36 ` FUJITA Tomonori
2008-05-21 3:16 ` Herbert Xu
2008-05-21 3:16 ` Herbert Xu
2008-05-21 6:54 ` FUJITA Tomonori
2008-05-21 6:54 ` FUJITA Tomonori
2008-05-21 8:47 ` Herbert Xu
2008-05-21 8:47 ` Herbert Xu
2008-05-21 9:34 ` FUJITA Tomonori
2008-05-21 9:34 ` FUJITA Tomonori
2008-05-21 10:05 ` Herbert Xu
2008-05-21 10:05 ` Herbert Xu
2008-05-21 11:01 ` FUJITA Tomonori
2008-05-21 11:01 ` FUJITA Tomonori
2008-05-21 11:25 ` Herbert Xu
2008-05-21 11:25 ` Herbert Xu
2008-05-21 12:09 ` FUJITA Tomonori
2008-05-21 12:09 ` FUJITA Tomonori
2008-05-21 12:22 ` Herbert Xu
2008-05-21 12:22 ` Herbert Xu
2008-05-21 12:46 ` FUJITA Tomonori
2008-05-21 12:46 ` FUJITA Tomonori
2008-05-21 12:55 ` FUJITA Tomonori
2008-05-21 12:55 ` FUJITA Tomonori
2008-05-21 13:19 ` Herbert Xu
2008-05-21 13:19 ` Herbert Xu
2008-05-21 13:18 ` Herbert Xu
2008-05-21 13:18 ` Herbert Xu
2008-05-22 1:14 ` FUJITA Tomonori
2008-05-22 1:14 ` FUJITA Tomonori
2008-05-22 1:19 ` David Miller
2008-05-22 1:19 ` David Miller, FUJITA Tomonori
2008-05-22 1:21 ` Herbert Xu
2008-05-22 1:21 ` Herbert Xu
2008-05-22 1:32 ` FUJITA Tomonori
2008-05-22 1:32 ` FUJITA Tomonori
2008-05-22 1:56 ` Herbert Xu
2008-05-22 1:56 ` Herbert Xu
2008-05-20 9:55 ` Paul Mundt
2008-05-20 9:55 ` Paul Mundt
2008-05-21 22:11 ` [PATCH 0/4] revert the commit 22a9189f (cdrom: use kmalloced buffers instead of buffers on stack) Thomas Bogendoerfer
2008-05-22 1:13 ` FUJITA Tomonori
2008-05-22 1:18 ` David Miller
2008-05-22 8:43 ` James Bottomley
2008-05-26 9:17 ` FUJITA Tomonori
2008-05-27 18:58 ` Bartlomiej Zolnierkiewicz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080521010942W.tomof@acm.org \
--to=fujita.tomonori@lab.ntt.co.jp \
--cc=James.Bottomley@HansenPartnership.com \
--cc=akpm@linux-foundation.org \
--cc=bzolnier@gmail.com \
--cc=davem@davemloft.net \
--cc=herbert@gondor.apana.org.au \
--cc=jeff@garzik.org \
--cc=jens.axboe@oracle.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-scsi@vger.kernel.org \
--cc=tsbogend@alpha.franken.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.