[merged mm-stable] testing-raix-tree-maple-increase-readers-and-reduce-delay-for-faster-machines.patch removed from -mm tree

[Andrew Morton <akpm@linux-foundation.org>]

The quilt patch titled
     Subject: testing/radix-tree/maple: increase readers and reduce delay for faster machines
has been removed from the -mm tree.  Its filename was
     testing-raix-tree-maple-increase-readers-and-reduce-delay-for-faster-machines.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: "Liam R. Howlett" <howlett@gmail.com>
Subject: testing/radix-tree/maple: increase readers and reduce delay for faster machines
Date: Mon, 16 Jun 2025 14:45:19 -0400

Faster machines may not see the initial or updated value in the race
condition.  Reduce the delay so that faster machines are less likely to
fail testing of the race conditions.

Link: https://lkml.kernel.org/r/20250616184521.3382795-2-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <howlett@gmail.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Hailong Liu <hailong.liu@oppo.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/radix-tree/maple.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--- a/tools/testing/radix-tree/maple.c~testing-raix-tree-maple-increase-readers-and-reduce-delay-for-faster-machines
+++ a/tools/testing/radix-tree/maple.c
@@ -35062,7 +35062,7 @@ void run_check_rcu_slowread(struct maple
 
 	int i;
 	void *(*function)(void *);
-	pthread_t readers[20];
+	pthread_t readers[30];
 	unsigned int index = vals->index;
 
 	mt_set_in_rcu(mt);
@@ -35080,14 +35080,14 @@ void run_check_rcu_slowread(struct maple
 		}
 	}
 
-	usleep(5); /* small yield to ensure all threads are at least started. */
+	usleep(3); /* small yield to ensure all threads are at least started. */
 
 	while (index <= vals->last) {
 		mtree_store(mt, index,
 			    (index % 2 ? vals->entry2 : vals->entry3),
 			    GFP_KERNEL);
 		index++;
-		usleep(5);
+		usleep(2);
 	}
 
 	while (i--)
@@ -35098,6 +35098,7 @@ void run_check_rcu_slowread(struct maple
 	MT_BUG_ON(mt, !vals->seen_entry3);
 	MT_BUG_ON(mt, !vals->seen_both);
 }
+
 static noinline void __init check_rcu_simulated(struct maple_tree *mt)
 {
 	unsigned long i, nr_entries = 1000;
_

Patches currently in -mm which might be from howlett@gmail.com are