>> > >> > Mmm.. bad idea. As much as I'd like the default to be 3GB_OPT, that would >> > be a big impact to userspace, and there's no point in breaking everyone's >> > machines when advanced users can just reconfig/recompile to get what they want. >> > >> What userspace programs do depend on it? > >there is a lot of userspace that assumes they can do 2Gb or even close >to 3Gb of memory allocations. Databases, java, basically anything with >threads. Sure for most of these its a configuration option to reduce >this, but that still doesn't mean it's a good idea to change from the >existing behavior... > Not to mention that these (almost(*)) fail anyway when you have less than 2 GB of RAM. (*) when finally writing to overcommitted memory Yuck. That sounds like they depend on 64G/64bit allocations on 4G/32bit machines. Jan Engelhardt -- - 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/
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