Solved Non-Paged Kernel Memory

Dzomlija

Dzomlija

Resistance is Futile
Vista Guru
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In Windows XP, there was a registry setting that when set prevented the Kernel from being paged out to the swapfile. I don't remember what this specific key was, but does anybody know of a similar setting for Vista x64?

I was just curious...
 

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Hi Peter,

The key is still there in the registry. The default value is 0, but you will need to set it to 1.
Code: 
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
"DisablePagingExecutive"=dword:00000001
 

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Dwarf said:
Hi Peter,

The key is still there in the registry. The default value is 0, but you will need to set it to 1.
Code: 
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
"DisablePagingExecutive"=dword:00000001
Click to expand...

Thanks, Dwarf. I want to do some benchmarking both with and without the kernel locked into memory, so I can gauge the impact on performance, if any.
 

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nice one....can you post your results back here?? :D
 

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I downloaded and installed Geekbench 2.0.19, and here are the results that I got:

Before Locking the Vista Kernel : 3550
After Locking the Vista Kernel : 3607

Not a huge increase in overall score, but the system does feel more responsive. Maybe the results differences would be more profound if I increased memory from 4GB to 8GB. And desktop availability from login would also appear to happen a little more quickly than usual.

I've attached the Geekbench results files. I don't have a Geekbench serial number, so I cannot perform the 64-Bit benchmarks.
 

Attachments

  • GB Before.txt
    8.4 KB · Views: 122
  • GB After.txt
    8.4 KB · Views: 96

My Computer

System One

  • Manufacturer/Model
    Custom Build
    CPU
    AMD Phenom 9600 Quad
    Motherboard
    ASUS MB-M3A32-MVP Deluxe/WiFi
    Memory
    2 x A-Data 2GB DDR2-800
    Graphics Card(s)
    ASUS ATI Radeon HD 2400PRO
    Monitor(s) Displays
    SAHARA 21"
    Screen Resolution
    1600x1200
    Hard Drives
    2 x 80GB Seagate (I)
    2 x 120GB Seagate (I/S)
    2 x 200GB Seagate (I/S)
    2 x 250GB Seagate (I/S)
    PSU
    800W
    Case
    Thermaltake Tai-Chi
    Cooling
    Tai-Chi Water Cooler
    Keyboard
    Genius
    Mouse
    Logitech
    Internet Speed
    384kbps
    Other Info
    Currently dual booting between Vista x64 Ultimate Windows 7 BETA x64
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