VM_IOMAP_MEMORY - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2.6.
Note : Memory Management in Linux
NAMEvm_iomap_memory − remap memory to userspace
SYNOPSISint vm_iomap_memory(struct vm_area_struct * vma, phys_addr_t start, unsigned long len);
ARGUMENTSvma user vma to map to start start of area len size of area
DESCRIPTIONThis 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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