LinuxQuestions.org
Review your favorite Linux distribution.
Go Back   LinuxQuestions.org > Forums > Non-*NIX Forums > Programming
User Name
Password
Programming This forum is for all programming questions.
The question does not have to be directly related to Linux and any language is fair game.

Notices


Reply
  Search this Thread
Old 03-20-2006, 01:44 AM   #16
primo
Member
 
Registered: Jun 2005
Posts: 542

Rep: Reputation: 34

You're right jlliagre. DMA registers are 32-bits too. That was my fault. I tought about the possibility that the kernel addresses +32bits without a PAE-like feature and without DMA instructions when accessing large ranges. Kind of Large File Support in 32-bit systems.

Windows is a strange operating system. It supports
http://www.microsoft.com/whdc/system...AE/PAEdrv.mspx
 
Old 03-20-2006, 02:45 AM   #17
jlliagre
Moderator
 
Registered: Feb 2004
Location: Outside Paris
Distribution: Solaris 11.4, Oracle Linux, Mint, Debian/WSL
Posts: 9,789

Rep: Reputation: 492Reputation: 492Reputation: 492Reputation: 492Reputation: 492
After reading that, I'm not convinced a Windows process can address more than 4 GB (and perhaps more than 3 GB) when PAE is activated, at least at a single time. This looks more a device driver thing.

It reminds me too the old 16/32 bit CPUs segment registers, with their near and far pointers nightmare ...
 
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off



Similar Threads
Thread Thread Starter Forum Replies Last Post
Memory limitation for user process SwannAnderson Linux - Software 1 10-02-2005 08:12 PM
process memory consumption ilnli Linux - General 4 09-08-2005 07:13 PM
Determine process memory consumption ? shayer009 Linux - General 1 10-28-2004 02:03 PM
fedora core 2 memeory full karan101 Linux - Laptop and Netbook 3 10-12-2004 09:15 PM
memeory disapeared? shanenin Linux - Software 5 01-09-2004 06:00 PM

LinuxQuestions.org > Forums > Non-*NIX Forums > Programming

All times are GMT -5. The time now is 10:55 AM.

Main Menu
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Open Source Consulting | Domain Registration