Messages in this thread | | | Date | Thu, 9 Dec 2004 10:01:18 +1100 | From | Greg Banks <> | Subject | Re: negative dentry_stat.nr_unused causes aggressive dcache pruning |
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On Wed, Dec 08, 2004 at 04:16:52PM -0600, Steve Lord wrote: > > I have seen this stat go negative (just from booting up a multi cpu box), > and looking at the code, it is manipulated without locking in a number > of places. I have only seen this in real life on a 2.4 kernel, but 2.6 > also looks vulnerable.
On early 2.6.x, a heavy streaming NFS load was a great way to trigger this. I haven't seen it happen since
http://linus.bkbits.net:8080/linux-2.5/cset@40b8cf606MV-gl6VpDyWKzzW1jaIJw
Greg. -- Greg Banks, R&D Software Engineer, SGI Australian Software Group. I don't speak for SGI. - 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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