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From: Miaohe Lin <linmiaohe@huawei.com>
To: <akpm@linux-foundation.org>
Cc: <vbabka@suse.cz>, <pintu@codeaurora.org>,
	<charante@codeaurora.org>, <linux-mm@kvack.org>,
	<linux-kernel@vger.kernel.org>, <linmiaohe@huawei.com>
Subject: [PATCH 02/12] mm: compaction: remove unneeded pfn update
Date: Mon, 18 Apr 2022 22:12:43 +0800	[thread overview]
Message-ID: <20220418141253.24298-3-linmiaohe@huawei.com> (raw)
In-Reply-To: <20220418141253.24298-1-linmiaohe@huawei.com>

pfn is unused in this do while loop. Remove the unneeded pfn update.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/compaction.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 2e838992b324..f9e628a5306a 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -317,7 +317,6 @@ __reset_isolation_pfn(struct zone *zone, unsigned long pfn, bool check_source,
 		}
 
 		page += (1 << PAGE_ALLOC_COSTLY_ORDER);
-		pfn += (1 << PAGE_ALLOC_COSTLY_ORDER);
 	} while (page <= end_page);
 
 	return false;
-- 
2.23.0


  parent reply	other threads:[~2022-04-18 15:13 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-18 14:12 [PATCH 00/12] A few cleanup and fixup patches for compaction Miaohe Lin
2022-04-18 14:12 ` [PATCH 01/12] mm: compaction: remove unneeded return value of kcompactd_run Miaohe Lin
2022-04-18 14:12 ` Miaohe Lin [this message]
2022-04-18 14:12 ` [PATCH 03/12] mm: compaction: remove unneeded assignment to isolate_start_pfn Miaohe Lin
2022-04-18 14:12 ` [PATCH 04/12] mm: compaction: clean up comment for sched contention Miaohe Lin
2022-04-18 14:12 ` [PATCH 05/12] mm: compaction: clean up comment about suitable migration target recheck Miaohe Lin
2022-04-18 14:12 ` [PATCH 06/12] mm: compaction: use COMPACT_CLUSTER_MAX in compaction.c Miaohe Lin
2022-04-18 14:12 ` [PATCH 07/12] mm: compaction: use helper compound_nr in isolate_migratepages_block Miaohe Lin
2022-04-18 14:12 ` [PATCH 08/12] mm: compaction: clean up comment about async compaction in isolate_migratepages Miaohe Lin
2022-04-18 14:12 ` [PATCH 09/12] mm: compaction: avoid possible NULL pointer dereference in kcompactd_cpu_online Miaohe Lin
2022-04-19  3:55   ` Andrew Morton
2022-04-19  6:47     ` Miaohe Lin
2022-04-19  7:42       ` David Hildenbrand
2022-04-19 11:05         ` Miaohe Lin
2022-04-18 14:12 ` [PATCH 10/12] mm: compaction: make compaction_zonelist_suitable return false when COMPACT_SUCCESS Miaohe Lin
2022-04-18 14:12 ` [PATCH 11/12] mm: compaction: simplify the code in __compact_finished Miaohe Lin
2022-04-18 14:12 ` [PATCH 12/12] mm: compaction: make sure highest is above the min_pfn Miaohe Lin

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