From: Nick Piggin <piggin@cyberone.com.au>
To: Nikita Danilov <Nikita@Namesys.COM>
Cc: Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
linux-mm@kvack.org
Subject: Re: [PATCH 0/5] mm improvements
Date: Fri, 06 Feb 2004 02:56:03 +1100 [thread overview]
Message-ID: <40226793.3000306@cyberone.com.au> (raw)
In-Reply-To: <16418.25964.158500.724463@laputa.namesys.com>
Nikita Danilov wrote:
>Nick Piggin writes:
> >
> > Yeah... I think it actually could be:
> >
> > pte_dirty = page_pte_is_dirty(page, pte_paddr);
> > if (pte_dirty < 0) {
> > ret = pte_dirty;
> > goto out;
> > }
> > ret += pte_dirty; /* if (pte_dirty) ret++; */
> >
>
>You mean so as to return number of dirty pte's, rather than just +1?
>This may be useful.
>
That wasn't my immediate problem, but rather than an 'if'.
The main thing I'm worried about is you seem to be not
handling the error case correctly.
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next prev parent reply other threads:[~2004-02-05 15:56 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-04 9:39 Nick Piggin
2004-02-04 9:40 ` [PATCH 1/5] " Nick Piggin
2004-02-04 19:45 ` Rik van Riel
2004-02-09 7:00 ` Nick Piggin
2004-02-09 21:56 ` Rik van Riel
2004-02-04 9:40 ` [PATCH 2/5] " Nick Piggin
2004-02-04 10:10 ` Andrew Morton
2004-02-04 10:15 ` Nick Piggin
2004-02-04 15:27 ` Rik van Riel
2004-02-05 2:18 ` Nick Piggin
2004-02-04 9:41 ` [PATCH 3/5] " Nick Piggin
2004-02-04 15:28 ` Rik van Riel
2004-02-04 16:45 ` Nikita Danilov
2004-02-04 18:53 ` Andrew Morton
2004-02-05 2:10 ` Nick Piggin
2004-02-04 9:42 ` [PATCH 4/5] " Nick Piggin
2004-02-04 10:11 ` Andrew Morton
2004-02-04 10:19 ` Nick Piggin
2004-02-04 9:42 ` [PATCH 5/5] " Nick Piggin
2004-02-04 10:03 ` Nick Piggin
2004-02-04 10:18 ` Andrew Morton
2004-02-04 10:22 ` Nick Piggin
2004-02-04 13:25 ` [PATCH 0/5] " Nikita Danilov
2004-02-04 13:53 ` Hugh Dickins
2004-02-04 14:03 ` Nikita Danilov
2004-02-04 15:03 ` Hugh Dickins
2004-02-04 15:19 ` Nikita Danilov
2004-02-05 2:13 ` Nick Piggin
2004-02-05 14:03 ` Nikita Danilov
2004-02-05 15:11 ` Nick Piggin
2004-02-05 15:15 ` Nick Piggin
2004-02-05 15:20 ` Nikita Danilov
2004-02-05 15:33 ` Nick Piggin
2004-02-05 15:46 ` Nikita Danilov
2004-02-05 15:56 ` Nick Piggin [this message]
2004-02-05 16:03 ` Nikita Danilov
2004-02-05 16:09 ` Nick Piggin
2004-02-04 18:33 ` Andrew Morton
2004-02-04 20:54 ` Hugh Dickins
2004-02-04 21:04 ` Andrew Morton
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