Date: Sat, 19 Apr 2003 17:29:40 -0700 From: David Schultz <das@FreeBSD.ORG> To: Lucky Green <shamrock@cypherpunks.to> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Broken memory management on system with no swap Message-ID: <20030420002940.GB46590@HAL9000.homeunix.com> In-Reply-To: <000501c30682$4e5e64b0$6601a8c0@VAIO650> References: <000501c30682$4e5e64b0$6601a8c0@VAIO650>
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On Sat, Apr 19, 2003, Lucky Green wrote: > There appears to be a memory management bug that affects systems without > swap files. Processes are killed off due to the server being "out of > swap space" even though top shows some 800MB of "inactive" memory > available. ``Inactive'' just means that the page just hasn't been accessed for a while and is a candidtate for replacement. However, on a system without swap, the system has nowhere to send the page if it is dirty. The only pages that can always be discarded and reused are those in the ``Cache'' and ``Free'' categories. So the bottom line is that you really are running out of memory.
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