vmalloc(9) centos man page | unix.com

VMALLOC(9)						    Memory Management in Linux							VMALLOC(9)

NAME
       vmalloc - allocate virtually contiguous memory

SYNOPSIS
       void * vmalloc(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.

DESCRIPTION
       For tight control over page level allocator and protection flags use __vmalloc instead.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014								VMALLOC(9)