summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--mm/page_owner.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/mm/page_owner.c b/mm/page_owner.c
index fe788f07b578..9c67bb8fb1d9 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -916,7 +916,8 @@ static int stack_print(struct seq_file *m, void *v)
nr_base_pages = refcount_read(&stack_record->count) - 1;
- if (nr_base_pages < 1 || nr_base_pages < page_owner_pages_threshold)
+ if (ctx->flags & STACK_PRINT_FLAG_PAGES &&
+ (nr_base_pages < 1 || nr_base_pages < page_owner_pages_threshold))
return 0;
if (ctx->flags & STACK_PRINT_FLAG_STACK) {
@@ -928,7 +929,8 @@ static int stack_print(struct seq_file *m, void *v)
if (ctx->flags & STACK_PRINT_FLAG_HANDLE)
seq_printf(m, "handle: %d\n", stack_record->handle.handle);
if (ctx->flags & STACK_PRINT_FLAG_PAGES)
- seq_printf(m, "nr_base_pages: %d\n\n", nr_base_pages);
+ seq_printf(m, "nr_base_pages: %d\n", nr_base_pages);
+ seq_putc(m, '\n');
return 0;
}
@@ -1002,6 +1004,10 @@ static int __init pageowner_init(void)
(void *)(STACK_PRINT_FLAG_HANDLE |
STACK_PRINT_FLAG_PAGES),
&page_owner_stack_operations);
+ debugfs_create_file("show_stacks_handles", 0400, dir,
+ (void *)(STACK_PRINT_FLAG_STACK |
+ STACK_PRINT_FLAG_HANDLE),
+ &page_owner_stack_operations);
debugfs_create_file("count_threshold", 0600, dir, NULL,
&proc_page_owner_threshold);