centos man page for zap_vma_ptes

Query: zap_vma_ptes

OS: centos

Section: 9

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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)