diff options
| -rw-r--r-- | mm/show_mem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/show_mem.c b/mm/show_mem.c index 22bb8b045671..90a9a37116e7 100644 --- a/mm/show_mem.c +++ b/mm/show_mem.c @@ -425,7 +425,9 @@ 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 - { + static DEFINE_SPINLOCK(mem_alloc_profiling_spinlock); + + if (spin_trylock(&mem_alloc_profiling_spinlock)) { struct codetag_bytes tags[10]; size_t i, nr; @@ -452,6 +454,7 @@ void __show_mem(unsigned int filter, nodemask_t *nodemask, int max_zone_idx) ct->lineno, ct->function); } } + spin_unlock(&mem_alloc_profiling_spinlock); } #endif } |