madvise_free_single_vma

Name:madvise_free_single_vma

Proto:static int madvise_free_single_vma(struct vm_area_struct *vma, unsigned long start_addr, unsigned long end_addr)

Type:int

Parameter:

Type	Parameter	Name
struct vm_area_struct *	vma
unsigned long	start_addr
unsigned long	end_addr

696

mm = The address space we belong to.

701

If Not vma_is_anonymous(vma) Then Return -EINVAL

704

start = max - return maximum of two values of the same or compatible types*@x: first value*@y: second value(Our start address within vm_mm. , start_addr)

705

If start >= The first byte after our end addresswithin vm_mm. Then Return -EINVAL

707

end = min - return minimum of two values of the same or compatible types*@x: first value*@y: second value(The first byte after our end addresswithin vm_mm. , end_addr)

708

If end <= Our start address within vm_mm. Then Return -EINVAL

710

mmu_notifier_range_init( & range, MMU_NOTIFY_CLEAR, 0, vma, mm, start, end)

713

lru_add_drain()

714

lb_gather_mmu - initialize an mmu_gather structure for page-table tear-down*@tlb: the mmu_gather structure to initialize*@mm: the mm_struct of the target address space*@start: start of the region that will be removed from the page-table*@end: end of the

715

update_hiwater_rss(mm)

717

mmu_notifier_invalidate_range_start( & range)

718

tlb_start_vma( & tlb, vma)

719

walk_page_range - walk page table with caller specific callbacks*@mm: mm_struct representing the target process of page table walk*@start: start address of the virtual address range*@end: end address of the virtual address range*@ops: operation to call

721

tlb_end_vma( & tlb, vma)

722

mmu_notifier_invalidate_range_end( & range)

723

lb_finish_mmu - finish an mmu_gather structure*@tlb: the mmu_gather structure to finish*@start: start of the region that will be removed from the page-table*@end: end of the region that will be removed from the page-table* Called at the end of the

725

Return 0

**Caller**
Name	Describe
madvise_dontneed_free

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