linux-kernel - [PATCH 1/6] mm: compaction: drop the redundant page validation in update_pageblock

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Message-Id: <5142e15b9295fe8c447dbb39b7907a20177a1413.1685018752.git.baolin.wang@linux.alibaba.com>
Date:   Thu, 25 May 2023 20:53:56 +0800
From:   Baolin Wang <baolin.wang@...ux.alibaba.com>
To:     akpm@...ux-foundation.org
Cc:     mgorman@...hsingularity.net, vbabka@...e.cz,
        baolin.wang@...ux.alibaba.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/6] mm: compaction: drop the redundant page validation in update_pageblock_skip()

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

Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
---
 mm/compaction.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 163e2ec70aff..426bb6ce070b 100644
--- 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 */
-- 
2.27.0