From: William Lee Irwin III <wli@holomorphy.com>
To: "David S. Miller" <davem@redhat.com>
Cc: riel@conectiva.com.br, marcelo@conectiva.com.br,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] struct page shrinkage
Date: Mon, 25 Feb 2002 18:54:12 -0800 [thread overview]
Message-ID: <20020226025412.GP3511@holomorphy.com> (raw)
In-Reply-To: <20020225.174911.82037594.davem@redhat.com> <Pine.LNX.4.33L.0202252254380.7820-100000@imladris.surriel.com> <20020225.180122.120462472.davem@redhat.com>
In-Reply-To: <20020225.180122.120462472.davem@redhat.com>
On Mon, Feb 25, 2002 at 06:01:22PM -0800, David S. Miller wrote:
> Rik, not every architecture has a "counter" member of
> atomic_t, that is the problem. This is a hard bug, please
> fix it. It is an opaque type, accessing its' implementation
> directly is therefore illegal in the strongest way possible.
> From: Rik van Riel <riel@conectiva.com.br>
> This exact same code has been in -rmap for a few months
> and went into 2.5 just over a week ago. It doesn't seem
> to give any problems ...
On Mon, Feb 25, 2002 at 06:01:22PM -0800, David S. Miller wrote:
> Because I haven't pushed my sparc64 changesets yet, I'm doing
> that tonight.
I think I'm to blame for init_page_count(). My bad.
A small bit of analysis seemed to reveal that atomicity wasn't needed
in free_area_init_core(). Apparently the solution I suggested here was
non-portable. Perhaps a better way will crop up later.
Cheers,
Bill
WARNING: multiple messages have this Message-ID (diff)
From: William Lee Irwin III <wli@holomorphy.com>
To: "David S. Miller" <davem@redhat.com>
Cc: riel@conectiva.com.br, marcelo@conectiva.com.br,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] struct page shrinkage
Date: Mon, 25 Feb 2002 18:54:12 -0800 [thread overview]
Message-ID: <20020226025412.GP3511@holomorphy.com> (raw)
In-Reply-To: <20020225.180122.120462472.davem@redhat.com>
On Mon, Feb 25, 2002 at 06:01:22PM -0800, David S. Miller wrote:
> Rik, not every architecture has a "counter" member of
> atomic_t, that is the problem. This is a hard bug, please
> fix it. It is an opaque type, accessing its' implementation
> directly is therefore illegal in the strongest way possible.
> From: Rik van Riel <riel@conectiva.com.br>
> This exact same code has been in -rmap for a few months
> and went into 2.5 just over a week ago. It doesn't seem
> to give any problems ...
On Mon, Feb 25, 2002 at 06:01:22PM -0800, David S. Miller wrote:
> Because I haven't pushed my sparc64 changesets yet, I'm doing
> that tonight.
I think I'm to blame for init_page_count(). My bad.
A small bit of analysis seemed to reveal that atomicity wasn't needed
in free_area_init_core(). Apparently the solution I suggested here was
non-portable. Perhaps a better way will crop up later.
Cheers,
Bill
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next prev parent reply other threads:[~2002-02-26 2:55 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-26 1:47 [PATCH] struct page shrinkage Rik van Riel
2002-02-26 1:47 ` Rik van Riel
2002-02-26 1:49 ` David S. Miller
2002-02-26 1:49 ` David S. Miller
2002-02-26 1:57 ` Rik van Riel
2002-02-26 1:57 ` Rik van Riel
2002-02-26 2:01 ` David S. Miller
2002-02-26 2:01 ` David S. Miller
2002-02-26 2:07 ` Rik van Riel
2002-02-26 2:07 ` Rik van Riel
2002-02-26 2:54 ` William Lee Irwin III [this message]
2002-02-26 2:54 ` William Lee Irwin III
2002-02-26 2:16 ` Andrew Morton
2002-02-26 2:16 ` Andrew Morton
2002-02-26 2:46 ` William Lee Irwin III
2002-02-26 2:46 ` William Lee Irwin III
-- strict thread matches above, loose matches on Subject: below --
2002-03-06 16:58 Bulent Abali
2002-03-06 16:58 ` Bulent Abali
2002-03-06 17:33 ` Andrew Morton
2002-03-06 17:33 ` Andrew Morton
2002-03-06 18:09 ` Rik van Riel
2002-03-06 18:09 ` Rik van Riel
2002-03-06 18:41 Bulent Abali
2002-03-06 18:41 ` Bulent Abali
2002-03-06 18:50 ` Mike Fedyk
2002-03-06 18:50 ` Mike Fedyk
2002-03-06 19:12 ` Andrew Morton
2002-03-06 19:12 ` Andrew Morton
2002-03-06 19:04 ` Andrew Morton
2002-03-06 19:04 ` Andrew Morton
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