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remap_vmalloc_range_partial(9) - phpMan

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REMAP_VMALLOC_RANGE_(9)             Memory Management in Linux            REMAP_VMALLOC_RANGE_(9)



NAME
       remap_vmalloc_range_partial - map vmalloc pages to userspace

SYNOPSIS
       int remap_vmalloc_range_partial(struct vm_area_struct * vma, unsigned long uaddr,
                                       void * kaddr, unsigned long size);

ARGUMENTS
       vma
           vma to cover

       uaddr
           target user address to start at

       kaddr
           virtual address of vmalloc kernel memory

       size
           size of map area

RETURN
       0 for success, -Exxx on failure

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

       Similar to remap_pfn_range (see mm/memory.c)

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   REMAP_VMALLOC_RANGE_(9)


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