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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

March 2016 Kernel Hackers Manual 3.2.