diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2001-05-06 00:45:57 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2001-05-06 00:45:57 +0000 |
| commit | 44cb8b104e1d8ecebdc6da008bda849aa211e760 (patch) | |
| tree | 8aa66160a5e5f39c4c04825857dab2a47c951429 /sys/arch/i386 | |
| parent | d0ba28a350b4bad5a4259dc0b1d0785d03c72913 (diff) | |
Update some comments wrt. the CLSIZE changes.
And remove that memory price comment from 1981. It is amusing, but also
confusing because the math in there is only correct on vax.
Diffstat (limited to 'sys/arch/i386')
| -rw-r--r-- | sys/arch/i386/i386/vm_machdep.c | 5 | ||||
| -rw-r--r-- | sys/arch/i386/include/vmparam.h | 11 |
2 files changed, 3 insertions, 13 deletions
diff --git a/sys/arch/i386/i386/vm_machdep.c b/sys/arch/i386/i386/vm_machdep.c index 93e99ba3d9f..03a6bb80cf9 100644 --- a/sys/arch/i386/i386/vm_machdep.c +++ b/sys/arch/i386/i386/vm_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_machdep.c,v 1.25 2001/05/05 23:25:43 art Exp $ */ +/* $OpenBSD: vm_machdep.c,v 1.26 2001/05/06 00:45:50 art Exp $ */ /* $NetBSD: vm_machdep.c,v 1.61 1996/05/03 19:42:35 christos Exp $ */ /*- @@ -283,8 +283,7 @@ setredzone(pte, vaddr) /* * Move pages from one kernel virtual address to another. - * Both addresses are assumed to reside in the Sysmap, - * and size must be a multiple of CLSIZE. + * Both addresses are assumed to reside in the Sysmap. */ void pagemove(from, to, size) diff --git a/sys/arch/i386/include/vmparam.h b/sys/arch/i386/include/vmparam.h index 8752163f618..adfc5d7447a 100644 --- a/sys/arch/i386/include/vmparam.h +++ b/sys/arch/i386/include/vmparam.h @@ -1,4 +1,4 @@ -/* $OpenBSD: vmparam.h,v 1.18 2001/05/05 23:25:49 art Exp $ */ +/* $OpenBSD: vmparam.h,v 1.19 2001/05/06 00:45:51 art Exp $ */ /* $NetBSD: vmparam.h,v 1.15 1994/10/27 04:16:34 cgd Exp $ */ /*- @@ -113,15 +113,6 @@ * by the page replacement algorithm. Basically this says that if you are * swapped in you deserve some resources. We protect the last SAFERSS * pages against paging and will just swap you out rather than paging you. - * Note that each process has at least UPAGES+CLSIZE pages which are not - * paged anyways (this is currently 8+2=10 pages or 5k bytes), so this - * number just means a swapped in process is given around 25k bytes. - * Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81), - * so we loan each swapped in process memory worth 100$, or just admit - * that we don't consider it worthwhile and swap it out to disk which costs - * $30/mb or about $0.75. - * { wfj 6/16/89: Retail AT memory expansion $800/megabyte, loan of $17 - * on disk costing $7/mb or $0.18 (in memory still 100:1 in cost!) } */ #define SAFERSS 8 /* nominal ``small'' resident set size protected against replacement */ |