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Message-Id: <20230720191503.2044025-1-shikemeng@huaweicloud.com>
Date: Fri, 21 Jul 2023 03:15:03 +0800
From: Kemeng Shi <shikemeng@...weicloud.com>
To: akpm@...ux-foundation.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Cc: shikemeng@...weicloud.com
Subject: [PATCH 1/2] mm/compaction: correct comment of candidate pfn in fast_isolate_freepages
If no preferred one was not found, we will use candidate page with maximum
pfn > min_pfn which is saved in high_pfn. Correct "minimum" to "maximum
candidate" in comment.
Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
---
mm/compaction.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index eb1d3d9a422c..c0d8d08fc163 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1526,7 +1526,7 @@ static void fast_isolate_freepages(struct compact_control *cc)
break;
}
- /* Use a minimum pfn if a preferred one was not found */
+ /* Use a maximum candidate pfn if a preferred one was not found */
if (!page && high_pfn) {
page = pfn_to_page(high_pfn);
--
2.30.0
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