_RTL_HEAP_MEMORY_LIMIT_DATA

Windows 10 | 2016 1709 Redstone 3 (Fall Creators Update) x64
Windows 10 | 2016 1803 Redstone 4 (Spring Creators Update) x64
Windows 10 | 2016 1809 Redstone 5 (October Update) x64
Sorry, but such structure doesn't exist in chosen version of the kernel.