mm: normalize internal argument passing of bootmem data

mm: normalize internal argument passing of bootmem data

All _core functions only need the bootmem data, not the whole node descriptor.
Adjust the two functions that take the node descriptor unneededly.

Signed-off-by: Johannes Weiner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Yinghai Lu <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Andy Whitcroft <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>