November 2007
Intermediate to advanced
848 pages
27h 15m
English
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Decommitting Physical Storage and Releasing a Region
To decommit physical storage mapped to a region or release an entire region of address space, call the VirtualFree function:
BOOL VirtualFree( LPVOID pvAddress, SIZE_T dwSize, DWORD fdwFreeType);
Let’s first examine the simple case of calling VirtualFree to release a reserved region. When your process will no longer be accessing the physical storage within a region, you can release the entire reserved region, and all the physical storage committed to the region, by making a single call to VirtualFree.
For this call, the pvAddress parameter must be the base address of the region. This address is the same address that VirtualAlloc returned when the region was reserved. The system knows the size of ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.