REMAP_VMALLOC_RANGE

Section: Memory Management in Linux (9)
Updated: February 2011
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NAME

remap_vmalloc_range - map vmalloc pages to userspace  

SYNOPSIS

int remap_vmalloc_range(struct vm_area_struct * vma, void * addr, unsigned long pgoff);
 

ARGUMENTS

vma

vma to cover (map full range of vma)

addr

vmalloc memory

pgoff

number of pages into addr before first page to map
 

RETURNS

0 for success, -Exxx on failure

This function checks that addr is a valid vmalloc'ed area, and that it is big enough to cover the vma. Will return failure if that criteria isn't met.

Similar to remap_pfn_range (see mm/memory.c)  

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