From: Nick Piggin <piggin@cyberone.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-mm@kvack.org
Subject: Re: [PATCH 4/5] mm improvements
Date: Wed, 04 Feb 2004 21:19:36 +1100 [thread overview]
Message-ID: <4020C738.4010903@cyberone.com.au> (raw)
In-Reply-To: <20040204021153.13bb31a1.akpm@osdl.org>
Andrew Morton wrote:
>Nick Piggin <piggin@cyberone.com.au> wrote:
>
>>+ if (zone->nr_active >= zone->nr_inactive*4)
>> + /* ratio will be >= 2 */
>> + imbalance = 8*nr_pages;
>> + else if (zone->nr_active >= zone->nr_inactive*2)
>> + /* 1 < ratio < 2 */
>> + imbalance = 4*nr_pages*zone->nr_active / (zone->nr_inactive*2);
>>
>
>This can cause a divide-by-zero, yes?
>
>
Yes. Sorry. I guess just adding 1 to the divisor should be fine.
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next prev parent reply other threads:[~2004-02-04 10:19 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-04 9:39 [PATCH 0/5] " 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 [this message]
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
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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