ZAP_VMA_PTES(9)                     Memory Management in Linux                    ZAP_VMA_PTES(9)



NAME
       zap_vma_ptes - remove ptes mapping the vma

SYNOPSIS
       int zap_vma_ptes(struct vm_area_struct * vma, unsigned long address, unsigned long size);

ARGUMENTS
       vma
           vm_area_struct holding ptes to be zapped

       address
           starting address of pages to zap

       size
           number of bytes to zap

DESCRIPTION
       This function only unmaps ptes assigned to VM_PFNMAP vmas.

       The entire address range must be fully contained within the vma.

       Returns 0 if successful.

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