The next version of SQL Server will contain significant changes to the memory manager component. The memory manager component has been rewritten for Denali. In the previous versions of SQL Server there were two distinct memory managers. There was one memory manager which handled allocation sizes of 8k or less and another for greater than 8k. For Denali there will be one memory manager for all allocation sizes.
The majority of the changes will be transparent to the end user. However, some changes will be visible to the user. These are listed below:
In the next blog post I will discuss the changes to the memory manager DMVs in greater detail. In future blog posts I will discuss the other changes in greater detail.