Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Rik van Riel
On Mon, 14 May 2001, Jeff Golds wrote: > Oh I get it NOW. "Off" means the docs are just plain "off". It is ... "off" means we do 1GB-128MB = 896MB of memory. It would be cool if one of you two could update the docs ;) regards, Rik -- Virtual memory is like a game you can't win; However, witho

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread H. Peter Anvin
Brian Gerst wrote: > > > > It seems obvious once you know why the limits are there. The 1 GB > > limit (actually 1024-128 MB = 896 MB) is a software limit; the 4 GB > > and 64 GB limits are hardware limits and are exact. > > Even with the 4GB and 64GB options, some physical address space has to

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Brian Gerst
"H. Peter Anvin" wrote: > > Followup to: <[EMAIL PROTECTED]> > By author:Rik van Riel <[EMAIL PROTECTED]> > In newsgroup: linux.dev.kernel > > > > On Mon, 14 May 2001, Wayne Whitney wrote: > > > In mailing-lists.linux-kernel, you wrote: > > > > > > > You need to compile highmem support into

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Mohammad A. Haque
Rik van Riel wrote: > Where did you get the mythical "1GB" option? > > Last I looked we had "off", "4GB" and "64GB" ;) We do .. under 2.4.x In 2.2.x we have 1 Gb and 2 GB ... 2.2.19 at least -- = Mohammad A. Haque

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Jeff Golds
Rik van Riel wrote: > > On Mon, 14 May 2001, Jeff Golds wrote: > > > Ahh, it's totally obvious. 1 GB option = 890 MB, 4 GB option = > > 4GB. Can I assume a linear relation and get 66.2 MB when I > > select the 64 MB option? > > Where did you get the mythical "1GB" option? > > Last I looked w

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Rik van Riel
On Mon, 14 May 2001, Jeff Golds wrote: > Ahh, it's totally obvious. 1 GB option = 890 MB, 4 GB option = > 4GB. Can I assume a linear relation and get 66.2 MB when I > select the 64 MB option? Where did you get the mythical "1GB" option? Last I looked we had "off", "4GB" and "64GB" ;) cheers,

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread H. Peter Anvin
Followup to: <[EMAIL PROTECTED]> By author:Rik van Riel <[EMAIL PROTECTED]> In newsgroup: linux.dev.kernel > > On Mon, 14 May 2001, Wayne Whitney wrote: > > In mailing-lists.linux-kernel, you wrote: > > > > > You need to compile highmem support into the kernel if you want to > > > use more th

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Jeff Golds
Jeff Golds wrote: > > Rik van Riel wrote: > > > > On Mon, 14 May 2001, Wayne Whitney wrote: > > > In mailing-lists.linux-kernel, you wrote: > > > > > > > You need to compile highmem support into the kernel if you want to > > > > use more than 890 MB of RAM, set it to maximum 4GB for best > > > >

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Jeff Golds
Rik van Riel wrote: > > On Mon, 14 May 2001, Wayne Whitney wrote: > > In mailing-lists.linux-kernel, you wrote: > > > > > You need to compile highmem support into the kernel if you want to > > > use more than 890 MB of RAM, set it to maximum 4GB for best > > > performance... > > > > On a similar

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Rik van Riel
On Mon, 14 May 2001, Wayne Whitney wrote: > In mailing-lists.linux-kernel, you wrote: > > > You need to compile highmem support into the kernel if you want to > > use more than 890 MB of RAM, set it to maximum 4GB for best > > performance... > > On a similar note, what is the maximum physical memo

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Wayne Whitney
In mailing-lists.linux-kernel, you wrote: > You need to compile highmem support into the kernel if you want to > use more than 890 MB of RAM, set it to maximum 4GB for best > performance... On a similar note, what is the maximum physical memory supported by the 4GB option? Cheers, Wayne - To u

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Rik van Riel
On Mon, 14 May 2001, Jeff Golds wrote: > I installed the 2.4.4 kernel on a dual P3-733 system with 1 GB > of ECC RAM and found that /proc/meminfo reports back only 899MB > of RAM. > Anyone know what is going on with 2.4.4? -EUSER (User Error) You need to compile highmem support into the kerne

Re: 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Alan Cox
> I installed the 2.4.4 kernel on a dual P3-733 system with 1 GB of ECC RAM and found >that /proc/meminfo reports back only 899MB of RAM. The 2.4.2 kernel (with RedHat >patches from the 7.1 release) worked fine as did the 2.4.0 kernel (with RedHat >patches from the 7.0 release).# Built it wit