The patch titled
Subject: mm-migrate-split-source-folio-if-it-is-on-deferred-split-list-fix
has been added to the -mm mm-unstable branch. Its filename is
mm-migrate-split-source-folio-if-it-is-on-deferred-split-list-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-migrate-split-source-folio-if-it-is-on-deferred-split-list-fix.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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------------------------------------------------------
From: Zi Yan <zi.yan@xxxxxxxx>
Subject: mm-migrate-split-source-folio-if-it-is-on-deferred-split-list-fix
Date: Tue, 26 Mar 2024 11:00:31 -0400
fix an error in migrate_misplaced_folio() reported by Baolin Wang
Link: https://lkml.kernel.org/r/20240326150031.569387-1-zi.yan@xxxxxxxx
Link: https://lore.kernel.org/linux-mm/df9a644c-a007-46ac-98e3-61d4014fcfff@xxxxxxxxxxxxxxxxx/
Fixes: 616b8371539a ("mm: thp: enable thp migration in generic path")
Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
Tested-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Cc: Huang, Ying <ying.huang@xxxxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Ryan Roberts <ryan.roberts@xxxxxxx>
Cc: SeongJae Park <sj@xxxxxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Cc: Yin Fengwei <fengwei.yin@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/migrate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/migrate.c~mm-migrate-split-source-folio-if-it-is-on-deferred-split-list-fix
+++ a/mm/migrate.c
@@ -1668,7 +1668,7 @@ static int migrate_pages_batch(struct li
*/
if (nr_pages > 2 &&
!list_empty(&folio->_deferred_list)) {
- if (try_split_folio(folio, from) == 0) {
+ if (try_split_folio(folio, split_folios) == 0) {
stats->nr_thp_split += is_thp;
stats->nr_split++;
continue;
_
Patches currently in -mm which might be from zi.yan@xxxxxxxx are
mm-migrate-split-source-folio-if-it-is-on-deferred-split-list-fix.patch
