[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [patch] arca-vm-2.2.5

To: Chuck Lever <cel@monkey.org>
Subject: Re: [patch] arca-vm-2.2.5
From: Andrea Arcangeli <andrea@e-mind.com>
Date: Tue, 6 Apr 1999 23:04:58 +0200 (CEST)
cc: "Stephen C. Tweedie" <sct@redhat.com>, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org
In-Reply-To: <Pine.BSF.4.03.9904061644370.3406-100000@funky.monkey.org>
Sender: owner-linux-mm@kvack.org

On Tue, 6 Apr 1999, Chuck Lever wrote:

>but still, why does it help to add the unshifted "offset"?  doesn't seem
>like there's any new information in that.

The unshifted offset is useful for swap cache pages. When the page is a
swap cache page the page->offset really is the swap entry that tell us
where the page is been swapped out. And in such case page->offset is not
page aligned.

Andrea Arcangeli

--
To unsubscribe, send a message with 'unsubscribe linux-mm my@address'
in the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://humbolt.geo.uu.nl/Linux-MM/

References:
- Re: [patch] arca-vm-2.2.5
  - From: Chuck Lever <cel@monkey.org>

Prev by Date: Re: Somw questions [ MAYBE OFFTOPIC ]
Next by Date: Re: [patch] arca-vm-2.2.5
Prev by thread: Re: [patch] arca-vm-2.2.5
Next by thread: Re: [patch] arca-vm-2.2.5
Index(es):
- Date
- Thread