Messages in this thread | | | Date | Wed, 13 Mar 2013 16:36:47 -0700 (PDT) | From | David Rientjes <> | Subject | Re: 3.6.11: khubd issue SLAB related? |
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On Wed, 13 Mar 2013, Udo van den Heuvel wrote:
> > If not, enable it and try again, or get root and manually try to > > defragment memory by doing echo 1 > /proc/sys/vm/compact_memory. > > This needs to be done regularly, I assume? >
It's done when the page allocation initially fails, so it shouldn't need to be done explicitly by you. I was hoping to see if that helped to solve the problem and something like deferred compaction wasn't involved.
> > If so, try killing a memory hogging process to free some memory and > > attempt to get some higher order pages available. > > It's a 8GB box (7.5GB available to software) with modest load. Mostly > email & web browsing, some torrents, nntp stuff, etc. Nothing weird. > Around 4.8G in buffers/cache right now. >
That may be true, but you only have about 300MB available at the time of failure.
> Why is this issue occurring? > Why did I not see this in the past? >
I already added Hans to the cc to see if the struct has grown recently.
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