Hi Dan, On Sat, 2013-01-26 at 12:16 -0800, Dan Magenheimer wrote: > There's lots of interesting things going on in kernel memory > management, but one only(?) increases the effective amount > of data that can be stored in a fixed amount of RAM: in-kernel > compression. > > Since ramzswap/compcache (now zram) was first proposed in 2009 > as an in-memory compressed swap device, there have been a number > of in-kernel compression solutions proposed, including > zcache, kztmem, and now zswap. Each shows promise to improve > performance by using compression under memory pressure to > reduce I/O due to swapping and/or paging. Each is still > in staging (though zram may be promoted by LSFMM 2013) > because each also brings a number of perplexing challenges. > > I think it's time to start converging on which one or more > of these solutions, if any, should be properly promoted and > more fully integrated into the kernel memory management > subsystem. Before this can occur, it's important to build a > broader understanding and, hopefully, also a broader consensus > among the MM community on a number of key challenges and questions > in order to guide and drive further development and merging. > > I would like to collect a list of issues/questions, and > start a discussion at LSF/MM by presenting this list, select > the most important, then lead a discussion on how ever many > there is time for. Most likely this is an MM-only discussion > though a subset might be suitable for a cross-talk presentataion. > Is there benchmark to test each component in tmem? > Thanks! > Dan Magenheimer > LSF/MM attendee 2010,2011,2012 > LSF/MM presenter (MM track) 2011,2012 > > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@xxxxxxxxx. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>