[merged mm-stable] mm-compaction-improve-comment-of-is_via_compact_memory.patch removed from -mm tree

[merged mm-stable] mm-compaction-improve-comment-of-is_via_compact_memory.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/compaction: improve comment of is_via_compact_memory
has been removed from the -mm tree.  Its filename was
     mm-compaction-improve-comment-of-is_via_compact_memory.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Kemeng Shi <shikemeng@huaweicloud.com>
Subject: mm/compaction: improve comment of is_via_compact_memory
Date: Fri, 1 Sep 2023 23:51:40 +0800

We do proactive compaction with order == -1 via
1. /proc/sys/vm/compact_memory
2. /sys/devices/system/node/nodex/compact
3. /proc/sys/vm/compaction_proactiveness
Add missed situation in which order == -1.

Link: https://lkml.kernel.org/r/20230901155141.249860-6-shikemeng@huaweicloud.com
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/compaction.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/mm/compaction.c~mm-compaction-improve-comment-of-is_via_compact_memory
+++ a/mm/compaction.c
@@ -2065,8 +2065,10 @@ static isolate_migrate_t isolate_migrate
 }
 
 /*
- * order == -1 is expected when compacting via
- * /proc/sys/vm/compact_memory
+ * order == -1 is expected when compacting proactively via
+ * 1. /proc/sys/vm/compact_memory
+ * 2. /sys/devices/system/node/nodex/compact
+ * 3. /proc/sys/vm/compaction_proactiveness
  */
 static inline bool is_via_compact_memory(int order)
 {
_

Patches currently in -mm which might be from shikemeng@huaweicloud.com are

mm-page_alloc-correct-start-page-when-guard-page-debug-is-enabled.patch
mm-page_alloc-remove-unnecessary-check-in-break_down_buddy_pages.patch
mm-page_alloc-remove-unnecessary-next_page-in-break_down_buddy_pages.patch