Decommit all physical memory associated with the buffer given as parameter, but keep the range of virtual addresses.
On POSIX systems deallocate calls mmap with `MAP_FIXED' a second time to decommit the memory. On Windows, it uses VirtualFree with MEM_DECOMMIT.
See Implementation
Decommit all physical memory associated with the buffer given as parameter, but keep the range of virtual addresses.
On POSIX systems deallocate calls mmap with `MAP_FIXED' a second time to decommit the memory. On Windows, it uses VirtualFree with MEM_DECOMMIT.