SystemPages

HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management

Data type Range Default value
REG_DWORD 0 | Number of entries 0

Description

Defines the number of system page table entries that are reserved for mapping I/O buffers and other information into the system address space. Each system page table entry maps one page.

Value Meaning
0 The system calculates an optimal number of page table entries based on the platform type and the amount of memory available to the system. The system adjusts this value if the amount of memory changes.
Number of entries Specifies the number of reserved page table entries. This value overrides the system's calculated value and prevents the system from adjusting the value.

Caution Image Caution

Do not change the value of this entry. Changing it prevents the system from calculating an optimal value for your system and adjusting the value when your system changes.