On Wednesday, February 23, 2011 11:54:59 am Dr. Baud wrote: > > On 23/02/2011 14:03, Dr. Baud wrote: > > > > > > In general, is it unadvisable to disable super pages? > > > > I don't think there would be any effect on the stability of operation if > > you disable superpages, but generally (except in cases of CPU bugs) you > > would not need to. Your system should operate a bit faster with > > superpages enabled. > > When is the memory allocated via contigmalloc freed? I have a test kernel > module that allocates memory in 8MB chucks until contigmalloc says enough > (the > ginormous.c/Makefile attachment). I also have a bash script that displays the > interesting memory related kernel state variables (the mem attachement). > When I load and unload the kernel module and display the VM pages stats I > never see the wired pages nor free pages change:
Err, it's freed when you call contigfree(). If you leak the memory when you do a kldunload, it is just lost until you reboot. -- John Baldwin _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
