From 4839e79c7eae747810c81848729e050eb5440547 Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Wed, 6 Mar 2024 13:32:17 +0100
Subject: mm,page_owner: drop unnecessary check

stackdepot only saves stack_records which size is greather than 0,
so we cannot possibly have empty stack_records.
Drop the check.

Link: https://lkml.kernel.org/r/20240306123217.29774-3-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: kernel test robot <oliver.sang@intel.com>
Cc: Marco Elver <elver@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/page_owner.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'mm')

diff --git a/mm/page_owner.c b/mm/page_owner.c
index 7163a1c44ccf..e7139952ffd9 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -865,8 +865,7 @@ static int stack_print(struct seq_file *m, void *v)
 	entries = stack_record->entries;
 	stack_count = refcount_read(&stack_record->count) - 1;
 
-	if (!nr_entries || nr_entries < 0 || stack_count < 1 ||
-	    stack_count < page_owner_stack_threshold)
+	if (stack_count < 1 || stack_count < page_owner_stack_threshold)
 		return 0;
 
 	for (i = 0; i < nr_entries; i++)
-- 
cgit