[PATCH 2/2] mm,page_owner: Drop unnecesary check

From: Oscar Salvador
Date: Wed Mar 06 2024 - 07:32:51 EST


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

Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>
---
mm/page_owner.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

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++)
--
2.44.0