[merged mm-nonmm-stable] latencytop-use-the-last-element-of-latency_record-of-system.patch removed from -mm tree

[merged mm-nonmm-stable] latencytop-use-the-last-element-of-latency_record-of-system.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: latencytop: use the last element of latency_record of system
has been removed from the -mm tree.  Its filename was
     latencytop-use-the-last-element-of-latency_record-of-system.patch

This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: wuchi <wuchi.zero@gmail.com>
Subject: latencytop: use the last element of latency_record of system
Date: Sat, 3 Sep 2022 21:52:33 +0800

In account_global_scheduler_latency(), when we don't find the matching
latency_record we try to select one which is unused in
latency_record[MAXLR], but the condition will skip the last one.

if (i >= MAXLR-1)

Fix that.

Link: https://lkml.kernel.org/r/20220903135233.5225-1-wuchi.zero@gmail.com
Signed-off-by: wuchi <wuchi.zero@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foudation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/latencytop.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/kernel/latencytop.c~latencytop-use-the-last-element-of-latency_record-of-system
+++ a/kernel/latencytop.c
@@ -112,7 +112,7 @@ static void __sched
 account_global_scheduler_latency(struct task_struct *tsk,
 				 struct latency_record *lat)
 {
-	int firstnonnull = MAXLR + 1;
+	int firstnonnull = MAXLR;
 	int i;
 
 	/* skip kernel threads for now */
@@ -150,7 +150,7 @@ account_global_scheduler_latency(struct
 	}
 
 	i = firstnonnull;
-	if (i >= MAXLR - 1)
+	if (i >= MAXLR)
 		return;
 
 	/* Allocted a new one: */
_

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

lib-debugobjects-fix-stat-count-and-optimize-debug_objects_mem_init.patch
relay-use-kvcalloc-to-alloc-page-array-in-relay_alloc_page_array.patch