mm: compaction: drop the redundant page validation in update_pageblock_skip()

mm: compaction: drop the redundant page validation in update_pageblock_skip()

Patch series "Misc cleanups and improvements for compaction".

This series cantains some cleanups and improvements for compaction.

This patch (of 6):

The caller has validated the page before calling
update_pageblock_skip(), thus drop the redundant page validation in
update_pageblock_skip().

Link: https://lkml.kernel.org/r/5142e15b9295fe8c447dbb39b7907a20177a1413.1685018752.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>