Re: Maximum swap space?

Andrew Morton
2003-06-07T20:10:48Z

"Randy.Dunlap" <rddunlap@osdl.org> wrote:
>
> 3. Swap space limits
>
> 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.

The limit is now 16 swapfiles/devices, because one pte bit got
stolen for nonlinear VMA pte's.

I'm not sure where the 2G limit comes from?