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>

diff --git a/mm/compaction.c b/mm/compaction.c
index 261071a0768113bdb7c015773afbfb5801504833..83004c15715a0cec2a6890a68d92c2879a6a5e77 100644 (file)
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -436,9 +436,6 @@ static void update_pageblock_skip(struct compact_control *cc,
        if (cc->no_set_skip_hint)
                return;
 
-       if (!page)
-               return;
-
        set_pageblock_skip(page);
 
        /* Update where async and sync compaction should restart */