Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\memory.c Create Date:2022-07-28 14:40:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:zap_vma_ptes - remove ptes mapping the vma*@vma: vm_area_struct holding ptes to be zapped*@address: starting address of pages to zap*@size: number of bytes to zap* This function only unmaps ptes assigned to VM_PFNMAP vmas.

Proto:void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, unsigned long size)

Type:void

Parameter:

TypeParameterName
struct vm_area_struct *vma
unsigned longaddress
unsigned longsize
1402  If address < Our start address within vm_mm. || address + size > The first byte after our end addresswithin vm_mm. || Not (Flags, see mm.h. & Page-ranges managed without "struct page", just pure PFN ) Then Return
1406  zap_page_range_single - remove user pages in a given range*@vma: vm_area_struct holding the applicable pages*@address: starting address of pages to zap*@size: number of bytes to zap*@details: details of shared cache invalidation