From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,lance.yang@linux.dev,david@kernel.org,ziy@nvidia.com,akpm@linux-foundation.org
Subject: [folded-merged] mm-fix-deferred-split-queue-races-during-migration-fix.patch removed from -mm tree
Date: Wed, 01 Apr 2026 16:18:08 -0700 [thread overview]
Message-ID: <20260401231808.DF3A0C4CEF7@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm-fix-deferred-split-queue-races-during-migration-fix
has been removed from the -mm tree. Its filename was
mm-fix-deferred-split-queue-races-during-migration-fix.patch
This patch was dropped because it was folded into mm-fix-deferred-split-queue-races-during-migration.patch
------------------------------------------------------
From: Zi Yan <ziy@nvidia.com>
Subject: mm-fix-deferred-split-queue-races-during-migration-fix
Date: Wed, 1 Apr 2026 18:52:43 -0400
move the comment
Link: https://lkml.kernel.org/r/FB71A764-0F10-4E5A-B4A0-BA4C7F138408@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Cc: David Hildenbrand (Arm) <david@kernel.org>
Cc: Lance Yang <lance.yang@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/huge_memory.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
--- a/mm/huge_memory.c~mm-fix-deferred-split-queue-races-during-migration-fix
+++ a/mm/huge_memory.c
@@ -4551,15 +4551,18 @@ retry:
}
folio_unlock(folio);
next:
+ /*
+ * If thp_underused() returns false, or if split_folio()
+ * succeeds, or if split_folio() fails in the case it was
+ * underused, then consider it used and don't add it back to
+ * split_queue.
+ */
if (did_split || !folio_test_partially_mapped(folio))
continue;
requeue:
/*
- * Add back partially mapped folios, or underused folios
- * that we could not lock this round. If thp_underused()
- * returns false, or if split_folio() succeeds, or if
- * split_folio() fails in the case it was underused, then
- * consider it used and don't add it back to split_queue.
+ * Add back partially mapped folios, or underused folios that
+ * we could not lock this round.
*/
fqueue = folio_split_queue_lock_irqsave(folio, &flags);
if (list_empty(&folio->_deferred_list)) {
_
Patches currently in -mm which might be from ziy@nvidia.com are
mm-fix-deferred-split-queue-races-during-migration.patch
reply other threads:[~2026-04-01 23:18 UTC|newest]
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