[folded-merged] mm-swap-remove-boilerplate-fix.patch removed from -mm tree

[folded-merged] mm-swap-remove-boilerplate-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-swap-remove-boilerplate-fix
has been removed from the -mm tree.  Its filename was
     mm-swap-remove-boilerplate-fix.patch

This patch was dropped because it was folded into mm-swap-remove-boilerplate.patch

------------------------------------------------------
From: Yu Zhao <yuzhao@google.com>
Subject: mm-swap-remove-boilerplate-fix
Date: Fri, 26 Jul 2024 00:50:04 -0600

fix "BUG: using smp_processor_id() in preemptible"

Link: https://lkml.kernel.org/r/ZqNHHMiHn-9vy_II@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reported-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/swap.c |   12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

--- a/mm/swap.c~mm-swap-remove-boilerplate-fix
+++ a/mm/swap.c
@@ -220,7 +220,7 @@ static void folio_batch_move_lru(struct
 	folios_put(fbatch);
 }
 
-static void __folio_batch_add_and_move(struct folio_batch *fbatch,
+static void __folio_batch_add_and_move(struct folio_batch __percpu *fbatch,
 		struct folio *folio, move_fn_t move_fn,
 		bool on_lru, bool disable_irq)
 {
@@ -233,16 +233,14 @@ static void __folio_batch_add_and_move(s
 		return;
 	}
 
-	if (folio_batch_add(fbatch, folio) && !folio_test_large(folio) &&
-	    !lru_cache_disabled())
-		return;
-
 	if (disable_irq)
 		local_lock_irqsave(&cpu_fbatches.lock_irq, flags);
 	else
 		local_lock(&cpu_fbatches.lock);
 
-	folio_batch_move_lru(fbatch, move_fn);
+	if (!folio_batch_add(this_cpu_ptr(fbatch), folio) || folio_test_large(folio) ||
+	    lru_cache_disabled())
+		folio_batch_move_lru(this_cpu_ptr(fbatch), move_fn);
 
 	if (disable_irq)
 		local_unlock_irqrestore(&cpu_fbatches.lock_irq, flags);
@@ -252,7 +250,7 @@ static void __folio_batch_add_and_move(s
 
 #define folio_batch_add_and_move(folio, op, on_lru)						\
 	__folio_batch_add_and_move(								\
-		this_cpu_ptr(&cpu_fbatches.op),							\
+		&cpu_fbatches.op,								\
 		folio,										\
 		op,										\
 		on_lru,										\
_

Patches currently in -mm which might be from yuzhao@google.com are

mm-hugetlb_vmemmap-dont-synchronize_rcu-without-hvo.patch
mm-swap-reduce-indentation-level.patch
mm-swap-rename-cpu_fbatches-activate.patch
mm-swap-fold-lru_rotate-into-cpu_fbatches.patch
mm-swap-remove-remaining-_fn-suffix.patch
mm-swap-remove-boilerplate.patch

[folded-merged] mm-swap-remove-boilerplate-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-swap-remove-boilerplate-fix
has been removed from the -mm tree.  Its filename was
     mm-swap-remove-boilerplate-fix.patch

This patch was dropped because it was folded into mm-swap-remove-boilerplate.patch

------------------------------------------------------
From: Yu Zhao <yuzhao@google.com>
Subject: mm-swap-remove-boilerplate-fix
Date: Sun, 4 Aug 2024 15:36:31 -0600

handle zero-length local_lock_t

Link: https://lkml.kernel.org/r/Zq_0X04WsqgUnz30@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reported-by: Hugh Dickins <hughd@google.com>
Tested-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/swap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/swap.c~mm-swap-remove-boilerplate-fix
+++ a/mm/swap.c
@@ -254,7 +254,7 @@ static void __folio_batch_add_and_move(s
 		folio,										\
 		op,										\
 		on_lru,										\
-		offsetof(struct cpu_fbatches, op) > offsetof(struct cpu_fbatches, lock_irq)	\
+		offsetof(struct cpu_fbatches, op) >= offsetof(struct cpu_fbatches, lock_irq)	\
 	)
 
 static void lru_move_tail(struct lruvec *lruvec, struct folio *folio)
_

Patches currently in -mm which might be from yuzhao@google.com are

mm-hugetlb_vmemmap-dont-synchronize_rcu-without-hvo.patch
mm-swap-reduce-indentation-level.patch
mm-swap-rename-cpu_fbatches-activate.patch
mm-swap-fold-lru_rotate-into-cpu_fbatches.patch
mm-swap-remove-remaining-_fn-suffix.patch
mm-swap-remove-boilerplate.patch
mm-hugetlb_vmemmap-batch-hvo-work-when-demoting.patch
mm-contig_alloc-support-__gfp_comp.patch
mm-cma-add-cma_allocfree_folio.patch
mm-cma-add-cma_allocfree_folio-fix.patch
mm-hugetlb-use-__gfp_comp-for-gigantic-folios.patch
mm-free-zapped-tail-pages-when-splitting-isolated-thp.patch
mm-remap-unused-subpages-to-shared-zeropage-when-splitting-isolated-thp.patch