Virtual Memory Behavior When Some Memory Is "deleted"

Discussion in 'CPU, Motherboards and Memory' started by user4592357, Apr 8, 2017.

  1. user4592357

    user4592357 Geek Trainee

    Likes Received:
    Trophy Points:
    i'm implementing virtual memory page model in c++. my virtual memory is larger than the physical memory. i've done the allocation part but i can't picture how to do the freeing part. what does actually happen when, for example 20 bytes are deleted (pages are 4 kbyte)? i know that in page table entries there is a present flag for page but here i still have the page, and only 20 bytes of it are deleted? and how do page table entries change? thanks in advance
  2. karanzale

    karanzale Guest

    Go to My Computer and under Devices with Removable Storage look for your card reader; right-click on it and click Properties. In the pop-up box, sometimes there's an option to Remove write-protection. Change the status of this option and try again. Remove your memory stick from the drivecannot format micro sd card write protected

Share This Page