VZALLOC(9) Memory Management in Linux VZALLOC(9)NAMEvzalloc - allocate virtually contiguous memory with zero fill
SYNOPSIS
void * vzalloc(unsigned long size);
ARGUMENTS
size
allocation size Allocate enough pages to cover size from the page
level allocator and map them into contiguous kernel virtual space.
The memory allocated is set to zero.
DESCRIPTION
For tight control over page level allocator and protection flags use
__vmalloc instead.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 VZALLOC(9)