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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/