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slub: remove verify_mem_not_deleted()

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Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Christoph Lameter
2013-09-04 16:35:35 +00:00
committed by Pekka Enberg
parent f1b6eb6e6b
commit 76b6f3d255
2 changed files with 0 additions and 50 deletions
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13
include/linux/slub_def.h
View File

@@ -98,17 +98,4 @@ struct kmem_cache {
struct kmem_cache_node *node[MAX_NUMNODES]; struct kmem_cache_node *node[MAX_NUMNODES];
}; };
/**
* Calling this on allocated memory will check that the memory
* is expected to be in use, and print warnings if not.
*/
#ifdef CONFIG_SLUB_DEBUG
extern bool verify_mem_not_deleted(const void *x);
#else
static inline bool verify_mem_not_deleted(const void *x)
{
return true;
}
#endif
#endif /* _LINUX_SLUB_DEF_H */ #endif /* _LINUX_SLUB_DEF_H */

37
mm/slub.c
View File

@@ -3326,43 +3326,6 @@ size_t ksize(const void *object)
} }
EXPORT_SYMBOL(ksize); EXPORT_SYMBOL(ksize);
#ifdef CONFIG_SLUB_DEBUG
bool verify_mem_not_deleted(const void *x)
{
struct page *page;
void *object = (void *)x;
unsigned long flags;
bool rv;
if (unlikely(ZERO_OR_NULL_PTR(x)))
return false;
local_irq_save(flags);
page = virt_to_head_page(x);
if (unlikely(!PageSlab(page))) {
/* maybe it was from stack? */
rv = true;
goto out_unlock;
}
slab_lock(page);
if (on_freelist(page->slab_cache, page, object)) {
object_err(page->slab_cache, page, object,
"Object is on free-list");
rv = false;
} else {
rv = true;
}
slab_unlock(page);
out_unlock:
local_irq_restore(flags);
return rv;
}
EXPORT_SYMBOL(verify_mem_not_deleted);
#endif
void kfree(const void *x) void kfree(const void *x)
{ {
struct page *page; struct page *page;