From: Manfred Spraul <manfred@colorfullife.com>
To: ameya.mitragotri@wipro.com
Cc: wli@holomorphy.com, linux-kernel@vger.kernel.org, davej@suse.de,
indou.takao@jp.fujitsu.com, akpm@diego.com
Subject: Re: [RFC][PATCH 2.5.70] dynamically tunable semmnu and semume
Date: Fri, 06 Jun 2003 18:42:03 +0200 [thread overview]
Message-ID: <3EE0C45B.4070002@colorfullife.com> (raw)
In-Reply-To: <200306061141.50965.ameya.mitragotri@wipro.com>
Ameya Mitragotri wrote:
>Find below the patch (RFC) that makes semmnu and semume dynamically
>tunable through /proc.
>
AFAICS the patch implements semmnu and semume, correct? The current
implemention permits an unlimited number of undo structures.
1) Why do you want to introduce a limit? Have you found a potential DoS?
2) What is counted by semume? Individual undo entries, or undo arrays?
Linux differs from the normal unix sysv implementation: there is a per
process, per semaphore set array of undo entries.
--
Manfred
prev parent reply other threads:[~2003-06-06 16:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-06 6:14 [RFC][PATCH 2.5.70] dynamically tunable semmnu and semume Ameya Mitragotri
2003-06-06 16:42 ` Manfred Spraul [this message]
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