On 3/1/21 2:47 AM, Miaohe Lin wrote:
> vma_resv_map(vma) checks if a reserve map is associated with the vma. The
> routine vma_needs_reservation() will check vma_resv_map(vma) and return 1
> if no reserv map is present. map_chg is set to the return value of
> vma_needs_reservation(). Therefore,
vma_resv_map(vma) checks if a reserve map is associated with the vma. The
routine vma_needs_reservation() will check vma_resv_map(vma) and return 1
if no reserv map is present. map_chg is set to the return value of
vma_needs_reservation(). Therefore, !vma_resv_map(vma) is redundant in the
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