From: Andrew Morton <akpm@zip.com.au>
To: Pavel Machek <pavel@ucw.cz>, kernel list <linux-kernel@vger.kernel.org>
Subject: Re: Reading page from given block device
Date: Wed, 08 May 2002 14:30:36 -0700 [thread overview]
Message-ID: <3CD998FC.9C21949C@zip.com.au> (raw)
In-Reply-To: <20020508204809.GA2300@elf.ucw.cz> <3CD996E5.BFB5CF9E@zip.com.au>
Andrew Morton wrote:
>
> ..
> > memcpy(buf, bh->b_data, PAGE_SIZE);
>
> You'll need to kmap bh->b_page before copying the data.
No you won't. blockdev mappings don't use highmem.
-
next prev parent reply other threads:[~2002-05-08 21:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-08 20:48 Reading page from given block device Pavel Machek
2002-05-08 21:21 ` Andrew Morton
2002-05-08 21:30 ` Andrew Morton [this message]
2002-05-08 22:56 ` Pavel Machek
[not found] ` <3CD9AE15.114D13E3@zip.com.au>
2002-05-08 23:15 ` Pavel Machek
2002-05-09 0:07 ` Andrew Morton
2002-05-09 4:42 ` Alexander Viro
2002-05-09 21:36 ` Pavel Machek
2002-05-09 21:45 ` Alexander Viro
2002-05-08 22:59 ` Pavel Machek
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