diff options
author | jmg <jmg@FreeBSD.org> | 2007-05-05 17:36:42 +0000 |
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committer | jmg <jmg@FreeBSD.org> | 2007-05-05 17:36:42 +0000 |
commit | bd12433a5f201c344861b24d13a270e12f685515 (patch) | |
tree | 0df12eba3444f87917de232c8d20bb2d9d34f933 /sys/boot/common/loader.8 | |
parent | 4e8b8cd34e540dbe8aaf82fa1d7f01cf051c0252 (diff) | |
download | FreeBSD-src-bd12433a5f201c344861b24d13a270e12f685515.zip FreeBSD-src-bd12433a5f201c344861b24d13a270e12f685515.tar.gz |
fixup talk of kern.maxswzone... It's been 32MB for almost 5 years now...
and only supports just over 7GB of swap...
Sound a bit more professional..
Inspired by: Marc G. Fournier
MFC After: 3 days
Diffstat (limited to 'sys/boot/common/loader.8')
-rw-r--r-- | sys/boot/common/loader.8 | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/sys/boot/common/loader.8 b/sys/boot/common/loader.8 index ee9658f..e333c3b 100644 --- a/sys/boot/common/loader.8 +++ b/sys/boot/common/loader.8 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 29, 2006 +.Dd May 5, 2007 .Dt LOADER 8 .Os .Sh NAME @@ -574,20 +574,19 @@ Limits the amount of KVM to be used to hold swap meta information, which directly governs the maximum amount of swap the system can support. This value is specified in bytes of KVA space -and defaults to around 70MBytes. +and defaults to 32MBytes on i386 and amd64. Care should be taken to not reduce this value such that the actual amount of configured swap exceeds 1/2 the kernel-supported swap. -The default 70MB allows -the kernel to support a maximum of (approximately) -14GB of configured swap. -Only mess around with +The default of 32MB allows +the kernel to support a maximum of ~7GB of swap. +Only change this parameter if you need to greatly extend the KVM reservation for other resources such as the buffer cache or .Va kern.ipc.nmbclusters . -Modifies +Modifies kernel option .Dv VM_SWZONE_SIZE_MAX . .It Va kern.maxbcache Limits the amount of KVM reserved for use by the |