diff mbox series

[03/12] mm: compaction: remove unneeded assignment to isolate_start_pfn

Message ID 20220418141253.24298-4-linmiaohe@huawei.com (mailing list archive)
State New
Headers show
Series A few cleanup and fixup patches for compaction | expand

Commit Message

Miaohe Lin April 18, 2022, 2:12 p.m. UTC
isolate_start_pfn is unused when cc->nr_freepages ! = 0. Otherwise
cc->free_pfn will overwrite it unconditionally. So we should remove
this unneeded and somewhat misleading assignment.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/compaction.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mm/compaction.c b/mm/compaction.c
index f9e628a5306a..ee2ddf77191f 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1586,7 +1586,7 @@  static void isolate_freepages(struct compact_control *cc)
 	unsigned int stride;
 
 	/* Try a small search of the free lists for a candidate */
-	isolate_start_pfn = fast_isolate_freepages(cc);
+	fast_isolate_freepages(cc);
 	if (cc->nr_freepages)
 		goto splitmap;