mm, sparse: rename kmalloc_section_memmap, __kfree_section_memmap

Both functions will use altmap rather than kmalloc for sparsemem-vmemmap
so rename them to alloc_section_memmap/free_section_memmap which better
reflect the functionality.

Signed-off-by: Michal Hocko <mhocko@suse.com>
1 file changed