Re: Address space limit?
[email protected] (Christos Zoulas)
| Newsgroups | gmane.os.netbsd.ports.m68k,gmane.os.netbsd.ports.hp300 |
|---|---|
| Organization | Astron Software |
| Message-ID | <[email protected]> |
On Jun 7, 11:29pm, [email protected] (Izumi Tsutsui) wrote: -- Subject: Re: Address space limit? | Hmm. If the different PGSHIFT causes any problem, | it has already been broken because several m68k ports | have used 8kB page: | | --- | sys/arch/amiga/include/param.h:#define PGSHIFT 13 /* LOG2(NBPG) */ | sys/arch/atari/include/param.h:#define PGSHIFT 13 /* LOG2(NBPG) */ | sys/arch/cesfic/include/param.h:#define PGSHIFT 12 /* LOG2(NBPG) */ | sys/arch/hp300/include/param.h:#define PGSHIFT 12 /* LOG2(NBPG) */ | sys/arch/luna68k/include/param.h:#define PGSHIFT 12 /* LOG2(NBPG) */ | sys/arch/mac68k/include/param.h:#define PGSHIFT 13 /* LOG2(NBPG) */ | sys/arch/mvme68k/include/param.h:#define PGSHIFT 12 /* LOG2(NBPG) */ | sys/arch/news68k/include/param.h:#define PGSHIFT 13 /* LOG2(NBPG) */ | sys/arch/next68k/include/param.h:#define PGSHIFT 12 /* LOG2(NBPG) */ | sys/arch/sun3/include/param.h:#define PGSHIFT 13 /* LOG2(NBPG) */ | sys/arch/x68k/include/param.h:#define PGSHIFT 12 /* LOG2(NBPG) */ | --- | | Maybe newer jemalloc should be fixed like sparc port, | which has both 4k (sun4c/sun4m) and 8k (sun4)? Yes, this is exactly what I was thinking... So what happens is that probably old binaries (with new jemalloc) might not work with the new kernel? Would be nice if the m68 headers were shared a bit more but too late now. | > 2. There is a comment in vmparam.h about 4K pages.. | | Ah, it's leftover of hp300 copies. | It should be "4K or 8K page, chosen by PGSHIFT in param.h" or so.. Right :-) Best, christos