Messages in this thread | ![/](/images/icornerl.gif) | | Date | Sat, 7 Jun 2003 14:49:50 -0700 | From | William Lee Irwin III <> | Subject | Re: Maximum swap space? |
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Followup to: <33435.4.64.196.31.1055008200.squirrel@www.osdl.org> By author: "Randy.Dunlap" <rddunlap@osdl.org> In newsgroup: linux.dev.kernel >> Linux 2.4.10 and later, and Linux 2.5 support any combination of swap >> files or swap devices to a maximum number of 32 of them. Prior to Linux >> 2.4.10, the limit was any combination of 8 swap files or swap devices. On >> x86 architecture systems, each of these swap areas has a limit of 2 GiB.
On Sat, Jun 07, 2003 at 02:43:54PM -0700, H. Peter Anvin wrote: > 2 GiB is getting a bit tight, especially with tmpfs, ust like the > previous limits of 16 MiB and 128 MiB were getting tight at various > points, and it's annoying to have to make multiple partitions. > tmpfs is a good thing -- in my experience even if it is stored > primarily on disk it is much faster for temp files than any other > filesystem, simply because it never has to worry about consistency. > This means it's entirely reasonable to have a "farm" machine with a > 40 GiB tmpfs used for everything except the OS itself.
The 2GB limit is 100% userspace; distros are already shipping the mkswap(8) fixes (both RH & UL anyway).
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