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mm/compaction: correct comment of candidate pfn in fast_isolate_freepages

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Patch series "Two minor cleanups for compaction", v2.

This series contains two random cleanups for compaction.


This patch (of 2):

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.

Link: https://lkml.kernel.org/r/20230721150957.2058634-1-shikemeng@huawei.com
Link: https://lkml.kernel.org/r/20230721150957.2058634-2-shikemeng@huawei.com
Signed-off-by: Kemeng Shi <shikemeng@huawei.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kemeng Shi 2023-07-21 23:09:56 +08:00 committed by Andrew Morton
parent eafcb7a972
commit e6bd14eca2
1 changed files with 1 additions and 1 deletions
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2
mm/compaction.c
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@ -1554,7 +1554,7 @@ 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);