From: Luben Tuikov <luben@splentec.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: struct page question
Date: Tue, 24 Sep 2002 17:10:03 -0400 [thread overview]
Message-ID: <3D90D4AB.B0BDF702@splentec.com> (raw)
Is it possible to build a struct page *page, where
page_address(page) == some virtual address (not high mem of course)?
The reason I want to do this is so that I can pass it to
generic_make_request(), having only a pointer to a buffer
and size to a buffer, and the fact that not all devices
have request_fn() exposed (e.g. md).
Apparently I cannot just set b_data and b_size, b_page
also has to be set and it also seems that it will
not work if page_address(b_page) != b_data...
Thanks,
--
Luben
next reply other threads:[~2002-09-24 21:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-24 21:10 Luben Tuikov [this message]
2002-09-25 7:34 ` struct page question Jens Axboe
2002-09-25 20:56 ` Luben Tuikov
2002-09-26 5:33 ` Jens Axboe
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