free_unmap_vmap_area

Name:Free and unmap a vmap area

Proto:static void free_unmap_vmap_area(struct vmap_area *va)

Type:void

Parameter:

Type	Parameter	Name
struct vmap_area *	va

1384

flush_cache_vunmap(va_start, va_end)

1385

Clear the pagetable entries of a given vmap_area

1386

If For use in fast paths after init_debug_pagealloc() has run, or when a* false negative result is not harmful when called too early. Then flush_tlb_kernel_range(va_start, va_end)

1389

Free a vmap area, caller ensuring that the area has been unmapped* and flush_cache_vunmap had been called for the correct range* previously.

**Caller**
Name	Describe
vm_unmap_ram	vm_unmap_ram - unmap linear kernel address space set up by vm_map_ram@mem: the pointer returned by vm_map_ram@count: the count passed to that vm_map_ram call (cannot unmap partial)
remove_vm_area	move_vm_area - find and remove a continuous kernel virtual area@addr: base address Search for the kernel VM area starting at @addr, and remove it.* This function returns the found VM area, but using it is NOT safe

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