+ mm-compaction-use-the-correct-type-of-list-for-free-pages.patch added to mm-unstable branch

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The patch titled
     Subject: mm: compaction: use the correct type of list for free pages
has been added to the -mm mm-unstable branch.  Its filename is
     mm-compaction-use-the-correct-type-of-list-for-free-pages.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-compaction-use-the-correct-type-of-list-for-free-pages.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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The -mm tree is included into linux-next via the mm-everything
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------------------------------------------------------
From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Subject: mm: compaction: use the correct type of list for free pages
Date: Fri, 7 Jul 2023 16:51:46 +0800

Use the page->buddy_list instead of page->lru to clarify the correct type
of list for free pages.

Link: https://lkml.kernel.org/r/b21cd8e2e32b9a1d9bc9e43ebf8acaf35e87f8df.1688715750.git.baolin.wang@xxxxxxxxxxxxxxxxx
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Huang, Ying <ying.huang@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/compaction.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/compaction.c~mm-compaction-use-the-correct-type-of-list-for-free-pages
+++ a/mm/compaction.c
@@ -1500,7 +1500,7 @@ static void fast_isolate_freepages(struc
 
 		spin_lock_irqsave(&cc->zone->lock, flags);
 		freelist = &area->free_list[MIGRATE_MOVABLE];
-		list_for_each_entry_reverse(freepage, freelist, lru) {
+		list_for_each_entry_reverse(freepage, freelist, buddy_list) {
 			unsigned long pfn;
 
 			order_scanned++;
@@ -1883,7 +1883,7 @@ static unsigned long fast_find_migratebl
 
 		spin_lock_irqsave(&cc->zone->lock, flags);
 		freelist = &area->free_list[MIGRATE_MOVABLE];
-		list_for_each_entry(freepage, freelist, lru) {
+		list_for_each_entry(freepage, freelist, buddy_list) {
 			unsigned long free_pfn;
 
 			if (nr_scanned++ >= limit) {
_

Patches currently in -mm which might be from baolin.wang@xxxxxxxxxxxxxxxxx are

mm-compaction-use-the-correct-type-of-list-for-free-pages.patch
mm-compaction-skip-the-memory-hole-rapidly-when-isolating-free-pages.patch




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