I do not see any user for this code in the tree.
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
Index: linux/include/linux/slub_def.h
===================================================================
--- linux.orig/include/linux/slub_def.h 2013-08-12 14:53:32.866143573 -0500
+++ linux/include/linux/slub_def.h 2013-08-12 14:53:32.862143613 -0500
@@ -98,17 +98,4 @@ struct kmem_cache {
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 */
Index: linux/mm/slub.c
===================================================================
--- linux.orig/mm/slub.c 2013-08-12 14:53:32.866143573 -0500
+++ linux/mm/slub.c 2013-08-12 14:53:32.862143613 -0500
@@ -3308,42 +3308,6 @@ size_t ksize(const void *object)
}
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)
{
struct page *page;
--
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