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Re: [patch] arca-vm-2.2.5

To: Andrea Arcangeli <andrea@e-mind.com>
Subject: Re: [patch] arca-vm-2.2.5
From: "Stephen C. Tweedie" <sct@redhat.com>
Date: Tue, 6 Apr 1999 15:00:19 +0100 (BST)
Cc: Chuck Lever <cel@monkey.org>, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org, "Stephen C. Tweedie" <sct@redhat.com>, Linus Torvalds <torvalds@transmeta.com>
In-Reply-To: <Pine.LNX.4.05.9904050033340.779-100000@laser.random>
References: <Pine.BSF.4.03.9904041657210.15836-100000@funky.monkey.org><Pine.LNX.4.05.9904050033340.779-100000@laser.random>
Sender: owner-linux-mm@kvack.org

Hi,

On Mon, 5 Apr 1999 02:22:35 +0200 (CEST), Andrea Arcangeli
<andrea@e-mind.com> said:

> The page hash function change is from Stephen (I did it here too because I
> completly agreed with it). The point is that shm entries uses the lower
> bits of the pagemap->offset field.

_All_ swap entries do.  shm entries never enter the page cache so that's
not a problem, but the swap cache _is_ a problem.

> Eh, my shrink_mmap() is is a black magic and it's long to explain what I
> thought ;).

It is hard to have a meaningful discussion about it otherwise!

--Stephen
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Follow-Ups:
- Re: [patch] arca-vm-2.2.5
  - From: Andrea Arcangeli <andrea@e-mind.com>

References:
- Re: [patch] arca-vm-2.2.5
  - From: Chuck Lever <cel@monkey.org>
- Re: [patch] arca-vm-2.2.5
  - From: Andrea Arcangeli <andrea@e-mind.com>
- Re: [patch] arca-vm-2.2.5
  - From: Andrea Arcangeli <andrea@e-mind.com>

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