Rounds the allocation size to the next multiple of the page size.
The allocation only reserves a range of virtual pages but the actual
physical memory is allocated on demand, when accessing the memory.
The allocated memory is aligned to the specified alignment a.
Rounds the allocation size to the next multiple of the page size. The allocation only reserves a range of virtual pages but the actual physical memory is allocated on demand, when accessing the memory.
The allocated memory is aligned to the specified alignment a.