Messages in this thread | | | Subject | Re: 2.6.24-rc7: memory leak? | From | Peter Zijlstra <> | Date | Thu, 17 Jan 2008 13:07:12 +0100 |
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On Thu, 2008-01-17 at 22:40 +1100, CaT wrote: > On Thu, Jan 17, 2008 at 12:22:03PM +0100, Peter Zijlstra wrote: > > On Thu, 2008-01-17 at 17:34 +1100, CaT wrote: > > > cache). During the rsync the memory used grew to just shy of 1.6gig and > > > now, about 2 hours after the rsync has well and truly finished, the used > > > memory is at 1.23gig. This is what free reports: > > > > > > total used free shared buffers cached > > > Mem: 2058128 1994468 63660 0 688604 11432 > > > -/+ buffers/cache: 1294432 763696 > > > Swap: 1048568 0 1048568 > > > > How much memory does: > > > > echo 3 > /proc/sys/vm/drop_caches > > > > gain you? > > 56M used now.
Good :-)
> Should all this cache usage not be counted towards the > 'Cached' entry in meminfo rather then getting counted as part of used > ram.
Cached is only the page-cache, not all the other caches we have.. This someones confuses people, but one gets used to it. slabinfo allows one to easily view others.
> I assume that this would not cause an oom situation and would be > freed up if all that memory really did need to be used.
Correct.
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