[PATCH v1 1/2] mm/show_mem: No print when not mem_alloc_profiling_enabled()

[Yueyang Pan <pyyjason@gmail.com>]

This patch makes print kernel memory allocation information
controlled by mem_alloc_profiling_enabled() so that we won't
see all zero numbers in production.

Signed-off-by: Yueyang Pan <pyyjason@gmail.com>
---
 mm/show_mem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/show_mem.c b/mm/show_mem.c
index 41999e94a56d..b71e222fde86 100644
--- a/mm/show_mem.c
+++ b/mm/show_mem.c
@@ -419,7 +419,7 @@ void __show_mem(unsigned int filter, nodemask_t *nodemask, int max_zone_idx)
 	printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
 #endif
 #ifdef CONFIG_MEM_ALLOC_PROFILING
-	{
+	if (mem_alloc_profiling_enabled()) {
 		struct codetag_bytes tags[10];
 		size_t i, nr;
 
-- 
2.47.3