Re: [PATCH] mm: kill [add|del]_page_to_lru_list()

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On 2023/6/10 1:18, Matthew Wilcox wrote:
On Fri, Jun 09, 2023 at 09:39:01AM +0800, Kefeng Wang wrote:
Directly call lruvec_del_folio(), and drop unused page interfaces.

Convert isolate_migratepages_block() to actually use folios and
then we can kill the interfaces.

+++ b/mm/compaction.c
@@ -1145,7 +1145,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
  			low_pfn += compound_nr(page) - 1;
/* Successfully isolated */
-		del_page_from_lru_list(page, lruvec);
+		lruvec_del_folio(lruvec, page_folio(page));

This kind of thing is not encouraged.  It's just churn and gets in
the way of actual conversions.

Sure, thanks for your suggestion, will convert isolate_migratepages_block() firstly.





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