From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from haymarket.ed.ac.uk (haymarket.ed.ac.uk [129.215.128.53]) by kvack.org (8.8.7/8.8.7) with ESMTP id RAA11775 for ; Tue, 26 May 1998 17:52:26 -0400 Date: Tue, 26 May 1998 22:52:21 +0100 Message-Id: <199805262152.WAA02934@dax.dcs.ed.ac.uk> From: "Stephen C. Tweedie" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: patch for 2.1.102 swap code In-Reply-To: References: <356478F0.FE1C378F@star.net> <199805241728.SAA02816@dax.dcs.ed.ac.uk> Sender: owner-linux-mm@kvack.org To: "Eric W. Biederman" Cc: "Stephen C. Tweedie" , Bill Hawes , linux-mm@kvack.org List-ID: Hi, > Note: there is a problem with swapoff that should at least be considered. > If you use have a SYSV shared memory, and don't map it into a process, > and that memory get's swapped out, swapoff will not be able to find it. > This is a very long standing bug and appears not to be a problem in practice. > But it is certainly a potential problem. Thanks; it's added to my list. --Stephen