On Fri, 20 Mar 2009 23:08:03 -0400 Stefan Monnier <monn...@iro.umontreal.ca> wrote:
> > In theory, with PAE segments you can address that memory with a 32-bit > > OS, but in practice, 64-bit is required. > > Actually, practice suggests otherwise: > > % uname -a > Linux pastel 2.6.28-1-686-bigmem #1 SMP Mon Feb 23 04:05:37 UTC 2009 i686 > GNU/Linux > % free > total used free shared buffers cached > Mem: 4148160 4018720 129440 0 41428 3293968 > -/+ buffers/cache: 683324 3464836 > Swap: 2097144 361292 1735852 > % > > so I can use all of my 4GB (except for 46MB eaten by the kernel) with my > 32bit OS. This running a stock Debian kernel. > It's a different approach taken than the 1:3 gb split. You are paying a performance penalty for accessing the higher part of the memory as it requires trickery and you will probably see a gain by using a amd64 kernel (you can keep the 32bit userspace) > > -- Stefan > > -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
