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-rw-r--r--mm/slub.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 2bd3d12..48bdb4e 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2757,10 +2757,6 @@ void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p)
struct page *page;
int i;
- /* Debugging fallback to generic bulk */
- if (kmem_cache_debug(s))
- return __kmem_cache_free_bulk(s, size, p);
-
local_irq_disable();
c = this_cpu_ptr(s->cpu_slab);
@@ -2768,8 +2764,13 @@ void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p)
void *object = p[i];
BUG_ON(!object);
+ /* kmem cache debug support */
+ s = cache_from_obj(s, object);
+ if (unlikely(!s))
+ goto exit;
+ slab_free_hook(s, object);
+
page = virt_to_head_page(object);
- BUG_ON(s != page->slab_cache); /* Check if valid slab page */
if (c->page == page) {
/* Fastpath: local CPU free */
@@ -2784,6 +2785,7 @@ void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p)
c = this_cpu_ptr(s->cpu_slab);
}
}
+exit:
c->tid = next_tid(c->tid);
local_irq_enable();
}
@@ -2796,10 +2798,6 @@ bool kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
struct kmem_cache_cpu *c;
int i;
- /* Debugging fallback to generic bulk */
- if (kmem_cache_debug(s))
- return __kmem_cache_alloc_bulk(s, flags, size, p);
-
/*
* Drain objects in the per cpu slab, while disabling local
* IRQs, which protects against PREEMPT and interrupts
@@ -2828,8 +2826,20 @@ bool kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
continue; /* goto for-loop */
}
+ /* kmem_cache debug support */
+ s = slab_pre_alloc_hook(s, flags);
+ if (unlikely(!s)) {
+ __kmem_cache_free_bulk(s, i, p);
+ c->tid = next_tid(c->tid);
+ local_irq_enable();
+ return false;
+ }
+
c->freelist = get_freepointer(s, object);
p[i] = object;
+
+ /* kmem_cache debug support */
+ slab_post_alloc_hook(s, flags, object);
}
c->tid = next_tid(c->tid);
local_irq_enable();