centos man page for vm_map_ram

VM_MAP_RAM(9)						    Memory Management in Linux						     VM_MAP_RAM(9)

NAME
       vm_map_ram - map pages linearly into kernel virtual address (vmalloc space)

SYNOPSIS
       void * vm_map_ram(struct page ** pages, unsigned int count, int node, pgprot_t prot);

ARGUMENTS
       pages
	   an array of pointers to the pages to be mapped

       count
	   number of pages

       node
	   prefer to allocate data structures on this node

       prot
	   memory protection to use. PAGE_KERNEL for regular RAM

RETURNS
       a pointer to the address that has been mapped, or NULL on failure

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							     VM_MAP_RAM(9)