copy_p4d_range

Name:copy_p4d_range

Proto:static inline int copy_p4d_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, pgd_t *dst_pgd, pgd_t *src_pgd, struct vm_area_struct *vma, unsigned long addr, unsigned long end)

Type:int

Parameter:

Type	Parameter	Name
struct mm_struct *	dst_mm
struct mm_struct *	src_mm
pgd_t *	dst_pgd
pgd_t *	src_pgd
struct vm_area_struct *	vma
unsigned long	addr
unsigned long	end

940

dst_p4d = The following ifdef needed to get the 5level-fixup.h header to work.* Remove it when 5level-fixup.h has been removed.

941

If Not dst_p4d Then Return -ENOMEM

943

src_p4d = p4d_offset(src_pgd, addr)

944

945

next = p4d_addr_end(addr, end)

946

If p4d_none_or_clear_bad(src_p4d) Then Continue

948

If copy_pud_range(dst_mm, src_mm, dst_p4d, src_p4d, vma, addr, next) Then Return -ENOMEM

951

When dst_p4d++, src_p4d++, addr = next , addr != end cycle

952

Return 0

**Caller**
Name	Describe
copy_page_range

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion

Function report