mm: remove free_hot_page()

free_hot_page() is just a wrapper around free_hot_cold_page() with
parameter 'cold = 0'.  After adding a clear comment for
free_hot_cold_page(), it is reasonable to remove a level of call.

[[email protected]: fix build]
Signed-off-by: Li Hong <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Larry Woodman <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Li Ming Chun <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Cc: Americo Wang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
3 files changed