2011/6/14 dexen deVries wrote: > On Monday 13 June 2011 16:40:48 you wrote: >> Is it reproducible without zcache? > > I don't know how to check cleancache without zcache; cleancache itself doesn't > do anything unless it has some backend configured, and zcache is the only > backend I know of and can use. > > > To enable zcache you need to have one `zcache' argument in kernel's command > line. > > > There's an outstanding bug in zcache's build system: > http://code.google.com/p/compcache/issues/detail?id=91 > > In short, core part of zcache may end up not being compiled at all ;-( > > To build zcache in 3.0-rc2, you need to hack it a bit with the attach'd patch. > Basically it renames the `zcache.c' to `zcache-core.c' and updates Makefile. > > > To verify zcache is enabled, look through dmesg for two lines like: >> zcache: cleancache enabled using kernel transcendent memory and compression > buddies >>zcache: created ephemeral tmem pool, id=0 Thanks a lot, dexen. The oops has not been reproduced yet, but I could see /sys/kernel/mm/cleancache/* change. I will try to catch the issue again this weekend. Thanks, Ryusuke Konishi > -- > dexen deVries > > ``One can't proceed from the informal to the formal by formal means.'' > -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
