diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/mm/slab.c b/mm/slab.c index 87b29e76cafd..4f2ec6bb46eb 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -552,12 +552,7 @@ static void start_cpu_timer(int cpu) { struct delayed_work *reap_work = &per_cpu(slab_reap_work, cpu); - /* - * When this gets called from do_initcalls via cpucache_init(), - * init_workqueues() has already run, so keventd will be setup - * at that time. - */ - if (keventd_up() && reap_work->work.func == NULL) { + if (reap_work->work.func == NULL) { init_reap_node(cpu); INIT_DEFERRABLE_WORK(reap_work, cache_reap); schedule_delayed_work_on(cpu, reap_work, @@ -2462,7 +2457,6 @@ union freelist_init_state { unsigned int pos; unsigned int *list; unsigned int count; - unsigned int rand; }; struct rnd_state rnd_state; }; @@ -2488,8 +2482,7 @@ static bool freelist_state_initialize(union freelist_init_state *state, } else { state->list = cachep->random_seq; state->count = count; - state->pos = 0; - state->rand = rand; + state->pos = rand % count; ret = true; } return ret; @@ -2498,7 +2491,9 @@ static bool freelist_state_initialize(union freelist_init_state *state, /* Get the next entry on the list and randomize it using a random shift */ static freelist_idx_t next_random_slot(union freelist_init_state *state) { - return (state->list[state->pos++] + state->rand) % state->count; + if (state->pos >= state->count) + state->pos = 0; + return state->list[state->pos++]; } /* Swap two freelist entries */ |