mm/page_alloc.c: use helper function zone_spans_pfn()

Use helper function zone_spans_pfn() to check whether pfn is within a
zone to simplify the code slightly.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Miaohe Lin <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions