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/STACK (Stack allocations)

/STACK:reserve[,commit]

Remarks

The /STACK linker option sets the size of the stack in bytes. Use this option only when you build an .exe file. The /STACK option is ignored when applied to .dll files.

The reserve value specifies the total stack allocation in virtual memory. For ARM64, x86, and x64 machines, the default stack size is 1 MB.

The commit value is subject to interpretation by the operating system. In WindowsRT, it specifies the amount of physical memory to allocate at a time. Committed virtual memory causes space to be reserved in the paging file. A higher commit value saves time when the application needs more stack space, but increases the memory requirements and possibly the startup time. For ARM64, x86, and x64 machines, the default commit value is 4 KB.

Specify the reserve and commit values in decimal or C-language hexadecimal notation (use a 0x prefix).

Another way to set the size of the stack is with the STACKSIZE statement in a module-definition (.def) file. STACKSIZE overrides the Stack Allocations (/STACK) option if both are specified. You can change the stack size after the .exe file is built by using the EDITBIN tool.

To set this linker option in the Visual Studio development environment

  1. Open the project's Property Pages dialog box. For details, see Set C++ compiler and build properties in Visual Studio.

  2. Select the Configuration Properties > Linker > System property page.

  3. Modify one of the following properties:

    • Stack Commit Size

    • Stack Reserve Size

To set this linker option programmatically

  1. See StackCommitSize and StackReserveSize properties.

See also

MSVC linker reference
MSVC linker options