diff options
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/malloc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index 0e3d4dd516..b8baaa2706 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -2905,6 +2905,8 @@ typedef struct tcache_perthread_struct tcache_entry *entries[TCACHE_MAX_BINS]; } tcache_perthread_struct; +#define MAX_TCACHE_COUNT 127 /* Maximum value of counts[] entries. */ + static __thread bool tcache_shutting_down = false; static __thread tcache_perthread_struct *tcache = NULL; @@ -5098,8 +5100,11 @@ do_set_tcache_max (size_t value) static __always_inline int do_set_tcache_count (size_t value) { - LIBC_PROBE (memory_tunable_tcache_count, 2, value, mp_.tcache_count); - mp_.tcache_count = value; + if (value <= MAX_TCACHE_COUNT) + { + LIBC_PROBE (memory_tunable_tcache_count, 2, value, mp_.tcache_count); + mp_.tcache_count = value; + } return 1; } |