Date: Sun, 2 May 2004 18:55:40 +0200 (CEST) From: Lukas Ertl <le@FreeBSD.org> To: Scott Long <scottl@FreeBSD.org> Cc: Thomas Quinot <thomas@FreeBSD.org> Subject: Re: Change default dumpdir to /usr/crash? Message-ID: <20040502185320.Q1661@korben> In-Reply-To: <40952044.1000306@freebsd.org> References: <200404301403.50634.past@noc.ntua.gr> <20040430123040.GB30157@melusine.cuivre.fr.eu.org> <4094F86E.2020908@noc.ntua.gr><40952044.1000306@freebsd.org>
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On Sun, 2 May 2004, Scott Long wrote:
> Thomas Quinot wrote:
> > What about computing a default /var size as a function of the available
> > RAM? Would that be workable within sysinstall?
>
> I believe that sysinstall already computes the swap partition size based
> on RAM, so computing /var also should be easy. Patches are happily
> accecpted =-)
How about this one? Makes /var = physical RAM + some extra 64MB
(VAR_NOMINAL_SIZE). Untested, so don't beat me. :-)
---8<---
Index: label.c
===================================================================
RCS file: /home/ncvs/src/usr.sbin/sysinstall/label.c,v
retrieving revision 1.143
diff -u -r1.143 label.c
--- label.c 16 Mar 2004 17:07:06 -0000 1.143
+++ label.c 2 May 2004 16:53:09 -0000
@@ -1452,8 +1452,21 @@
record_label_chunks(devs, dev);
}
if (!vardev) {
- sz = requested_part_size(VAR_VAR_SIZE, VAR_NOMINAL_SIZE, VAR_DEFAULT_SIZE, perc);
+ sz = requested_part_size(VAR_VAR_SIZE, 0, 0, perc);
+ if (sz == 0) {
+ daddr_t nom;
+ daddr_t def;
+ mib[0] = CTL_HW;
+ mib[1] = HW_PHYSMEM;
+ size = sizeof physmem;
+ sysctl(mib, 2, &physmem, &size, (void *)0, (size_t)0);
+ def = (int)(physmem / 512);
+ if (def < VAR_MIN_SIZE * ONE_MEG)
+ def = VAR_MIN_SIZE * ONE_MEG;
+ nom = (int)(physmem / 512) / 8;
+ sz = VAR_NOMINAL_SIZE * ONE_MEG + nom + (def - nom) * perc / 100;
+ }
var_chunk = Create_Chunk_DWIM(label_chunk_info[here].c->disk,
label_chunk_info[here].c, sz, part,
FS_BSDFFS, CHUNK_AUTO_SIZE);
---8<---
cheers,
le
--
Lukas Ertl http://mailbox.univie.ac.at/~le/
le@FreeBSD.org http://people.freebsd.org/~le/
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