Messages in this thread | | | From | space-00002@vortex ... | Subject | Re: buffer/memory strangeness in 2.4.16; fixed in 2.4.17-rc1 | Date | Fri, 14 Dec 2001 02:30:46 +0100 |
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Hi,
just to let you know the problem described below seems to have been fixed in 2.4.17-rc1. It behaves as it should. Great work!
Cheers, Jan
On Thursday 29 November 2001 21:39, you wrote: > Hi, > > I am experiencing a bit of strange system behaviour in a vanilla 2.4.16 > kernel (2.95.3, very stable machine etc.) > > I noticed, that after running for a while (day) I had significantly less > memory available for my simulation program than right after booting. > Looking at the problem using 'xosview' (or 'free'), I noticed that there > was a large number of MBs filled with 'buffers' that did not get wiped when > other programs need the memory. The system seems to rather kill an > 'offender' than clean out buffers. > > Right after booting, I can allocate about 650MBs memory using the little > program attached below. After a day (or after running updatedb), under the > same conditions, even in single user mode with only a shell running (!) > this is not possible anymore and the program (below), trying to allocate > only 300-400MBs, gets killed by the system after making it unresponsive for > many seconds. > > Apparently this problem occurs after running 'updatedb', which fills 'free > memory' and generates lots of filled cache and buffers on my system. > > This sort of behaviour must have been introduced after 2.4.13, which does > not show these problems. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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