if (cmpxchg_double(&page->freelist, &page->counters,
freelist_old, counters_old,
freelist_new, counters_new))
- return 1;
+ return true;
} else
#endif
{
page->freelist = freelist_new;
set_page_slub_counters(page, counters_new);
slab_unlock(page);
- return 1;
+ return true;
}
slab_unlock(page);
}
pr_info("%s %s: cmpxchg double redo ", n, s->name);
#endif
- return 0;
+ return false;
}
static inline bool cmpxchg_double_slab(struct kmem_cache *s, struct page *page,
if (cmpxchg_double(&page->freelist, &page->counters,
freelist_old, counters_old,
freelist_new, counters_new))
- return 1;
+ return true;
} else
#endif
{
set_page_slub_counters(page, counters_new);
slab_unlock(page);
local_irq_restore(flags);
- return 1;
+ return true;
}
slab_unlock(page);
local_irq_restore(flags);
pr_info("%s %s: cmpxchg double redo ", n, s->name);
#endif
- return 0;
+ return false;
}
#ifdef CONFIG_SLUB_DEBUG
*/
goto check_slabs;
- if (tolower(*str) == 'o') {
- /*
- * Avoid enabling debugging on caches if its minimum order
- * would increase as a result.
- */
- disable_higher_order_debug = 1;
- goto out;
- }
-
slub_debug = 0;
if (*str == '-')
/*
case 'a':
slub_debug |= SLAB_FAILSLAB;
break;
+ case 'o':
+ /*
+ * Avoid enabling debugging on caches if its minimum
+ * order would increase as a result.
+ */
+ disable_higher_order_debug = 1;
+ break;
default:
pr_err("slub_debug option '%c' unknown. skipped\n",
*str);
do {
tid = this_cpu_read(s->cpu_slab->tid);
c = raw_cpu_ptr(s->cpu_slab);
- } while (IS_ENABLED(CONFIG_PREEMPT) && unlikely(tid != c->tid));
+ } while (IS_ENABLED(CONFIG_PREEMPT) &&
+ unlikely(tid != READ_ONCE(c->tid)));
/*
* Irqless object alloc/free algorithm used here depends on sequence
do {
tid = this_cpu_read(s->cpu_slab->tid);
c = raw_cpu_ptr(s->cpu_slab);
- } while (IS_ENABLED(CONFIG_PREEMPT) && unlikely(tid != c->tid));
+ } while (IS_ENABLED(CONFIG_PREEMPT) &&
+ unlikely(tid != READ_ONCE(c->tid)));
/* Same with comment on barrier() in slab_alloc_node() */
barrier();