| To: | Sergei Shtylyov <sshtylyov@ru.mvista.com> |
|---|---|
| Subject: | Re: Alchemy DMA and GFP_DMA |
| From: | Ralf Baechle <ralf@linux-mips.org> |
| Date: | Sun, 26 Aug 2007 16:36:28 +0100 |
| Cc: | linux-mips@linux-mips.org |
| In-reply-to: | <46D192C9.7070208@ru.mvista.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <20070816110501.GA5701@linux-mips.org> <46D192C9.7070208@ru.mvista.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.5.14 (2007-02-12) |
On Sun, Aug 26, 2007 at 06:48:41PM +0400, Sergei Shtylyov wrote: > Those are probably still necessary because the DBDMA descriptors > itselves (not the data they address) must have 32-bit addresses. A normla GFP_KERNEL allocation will give you that. Ralf |
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