Re: [PATCH] 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Wayne Whitney
On Mon, 14 May 2001, Rik van Riel wrote: > It would be cool if one of you two could update the docs ;) OK, here is my attempt, as a patch to Configure.help in 2.4.5-pre1. I hope it is clear, accurate, and not too long-winded, and that my mailer does not munge patches. Cheers, Wayne ---

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,

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

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" ;)

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

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

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

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

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

2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Jeff Golds
Hi folks, 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). Anyone

2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Jeff Golds
Hi folks, 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). Anyone

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 with

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 kernel

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

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 memory

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 note, what is the

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 performance... On

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 than 890 MB of

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, Rik --

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 we had off, 4GB

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 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 the kernel if you want

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 be

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, without VM

Re: [PATCH] 2.4.4 kernel reports wrong amount of physical memory

2001-05-14 Thread Wayne Whitney
On Mon, 14 May 2001, Rik van Riel wrote: It would be cool if one of you two could update the docs ;) OK, here is my attempt, as a patch to Configure.help in 2.4.5-pre1. I hope it is clear, accurate, and not too long-winded, and that my mailer does not munge patches. Cheers, Wayne ---