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Disable paging of kernel stacks

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The Disable paging of kernel stacks flag prevents paging of the kernel-mode stacks of inactive threads.

Abbreviation

dps

Hexadecimal value

0x80000

Symbolic Name

FLG_DISABLE_PAGE_KERNEL_STACKS

Destination

System-wide registry entry

Comments

Generally, the kernel-mode stack cannot be paged; it is guaranteed to be resident in memory. However, Windows occasionally pages the kernel stacks of inactive threads. This flag prevents these occurrences.

The kernel debugger can provide information about a thread only when its stack is in physical memory. This flag is particularly important when debugging deadlocks and in other cases when every thread must be tracked.