vm_iomap_memory (9) - Linux Man Pages

vm_iomap_memory: remap memory to userspace

NAME

vm_iomap_memory - remap memory to userspace

SYNOPSIS

int vm_iomap_memory(struct vm_area_struct vma, phys_addr_t start, unsigned long len);

ARGUMENTS

vma

user vma to map to

start

start of area

len

size of area

DESCRIPTION

This is a simplified io_remap_pfn_range for common driver use. The driver just needs to give us the physical memory range to be mapped, we'll figure out the rest from the vma information.

NOTE! Some drivers might want to tweak vma->vm_page_prot first to get whatever write-combining details or similar.

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