From: Rik van Riel <riel@redhat.com>
To: a.p.zijlstra@chello.nl
Cc: linux-mm@kvack.org
Subject: Re: [RFC][PATCH 2/6] CART Implementation
Date: Sun, 28 Aug 2005 23:02:31 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.63.0508282301390.13831@cuia.boston.redhat.com> (raw)
In-Reply-To: <20050827220300.688094000@twins>
On Sat, 27 Aug 2005, a.p.zijlstra@chello.nl wrote:
> +static void bucket_stats(struct nr_bucket * nr_bucket, int * b1, int * b2)
> +{
> + unsigned int i, b[2] = {0, 0};
> + for (i = 0; i < 2; ++i) {
> + unsigned int j = nr_bucket->hand[i];
> + do
> + {
> + u32 *slot = &nr_bucket->slot[j];
> + if (!!(GET_FLAGS(*slot) & NR_list) != !!i)
> + break;
> +
> + j = GET_INDEX(*slot);
> + ++b[i];
> + } while (j != nr_bucket->hand[i]);
Does this properly skip empty slots ?
Remember that a page that got paged in leaves a zeroed
out slot in the bucket...
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next prev parent reply other threads:[~2005-08-29 3:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-27 21:57 [RFC][PATCH 0/6] " a.p.zijlstra
2005-08-27 21:57 ` [RFC][PATCH 1/6] " a.p.zijlstra
2005-08-27 21:57 ` [RFC][PATCH 2/6] " a.p.zijlstra
2005-08-29 3:02 ` Rik van Riel [this message]
2005-08-29 4:15 ` Peter Zijlstra
2005-08-29 6:20 ` Peter Zijlstra
2005-08-27 21:57 ` [RFC][PATCH 3/6] " a.p.zijlstra
2005-08-27 21:58 ` [RFC][PATCH 4/6] " a.p.zijlstra
2005-08-27 21:58 ` [RFC][PATCH 5/6] " a.p.zijlstra
2005-08-27 21:58 ` [RFC][PATCH 6/6] " a.p.zijlstra
2005-08-28 0:25 ` [RFC][PATCH 0/6] " Marcelo Tosatti
2005-08-28 8:03 ` Peter Zijlstra
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