centos man page for zap_vma_ptes

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 3.10					     June 2014							   ZAP_VMA_PTES(9)