[folded-merged] mm-page_isolation-prepare-for-hygienic-freelists-fix.patch removed from -mm tree

[folded-merged] mm-page_isolation-prepare-for-hygienic-freelists-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-page_isolation-prepare-for-hygienic-freelists-fix
has been removed from the -mm tree.  Its filename was
     mm-page_isolation-prepare-for-hygienic-freelists-fix.patch

This patch was dropped because it was folded into mm-page_isolation-prepare-for-hygienic-freelists.patch

------------------------------------------------------
From: Johannes Weiner <hannes@cmpxchg.org>
Subject: mm-page_isolation-prepare-for-hygienic-freelists-fix
Date: Thu, 21 Mar 2024 10:24:26 -0400

work around older gcc warning

Link: https://lkml.kernel.org/r/20240321142426.GB777580@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Tested-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/mm/page_alloc.c~mm-page_isolation-prepare-for-hygienic-freelists-fix
+++ a/mm/page_alloc.c
@@ -1703,6 +1703,10 @@ bool move_freepages_block_isolate(struct
 				       NULL, NULL))
 		return false;
 
+	/* No splits needed if buddies can't span multiple blocks */
+	if (pageblock_order == MAX_PAGE_ORDER)
+		goto move;
+
 	/* We're a tail block in a larger buddy */
 	pfn = find_large_buddy(start_pfn);
 	if (pfn != start_pfn) {
@@ -1730,7 +1734,7 @@ bool move_freepages_block_isolate(struct
 		split_large_buddy(zone, page, pfn, order);
 		return true;
 	}
-
+move:
 	mt = get_pfnblock_migratetype(page, start_pfn);
 	nr_moved = move_freepages(zone, start_pfn, end_pfn, migratetype);
 	if (!is_migrate_isolate(mt))
_

Patches currently in -mm which might be from hannes@cmpxchg.org are

mm-zswap-optimize-zswap-pool-size-tracking.patch
mm-zpool-return-pool-size-in-pages.patch
mm-page_alloc-remove-pcppage-migratetype-caching.patch
mm-page_alloc-optimize-free_unref_folios.patch
mm-page_alloc-fix-up-block-types-when-merging-compatible-blocks.patch
mm-page_alloc-move-free-pages-when-converting-block-during-isolation.patch
mm-page_alloc-fix-move_freepages_block-range-error.patch
mm-page_alloc-fix-freelist-movement-during-block-conversion.patch
mm-page_alloc-close-migratetype-race-between-freeing-and-stealing.patch
mm-page_isolation-prepare-for-hygienic-freelists.patch
mm-page_alloc-consolidate-free-page-accounting.patch
mm-page_alloc-consolidate-free-page-accounting-fix.patch
mm-page_alloc-consolidate-free-page-accounting-fix-2.patch
mm-page_alloc-batch-vmstat-updates-in-expand.patch