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-rw-r--r--mm/slab.c46
1 files changed, 0 insertions, 46 deletions
diff --git a/mm/slab.c b/mm/slab.c
index a453383333fc..4bd8a53091b7 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3726,52 +3726,6 @@ EXPORT_SYMBOL(__kmalloc);
3726#endif 3726#endif
3727 3727
3728/** 3728/**
3729 * krealloc - reallocate memory. The contents will remain unchanged.
3730 * @p: object to reallocate memory for.
3731 * @new_size: how many bytes of memory are required.
3732 * @flags: the type of memory to allocate.
3733 *
3734 * The contents of the object pointed to are preserved up to the
3735 * lesser of the new and old sizes. If @p is %NULL, krealloc()
3736 * behaves exactly like kmalloc(). If @size is 0 and @p is not a
3737 * %NULL pointer, the object pointed to is freed.
3738 */
3739void *krealloc(const void *p, size_t new_size, gfp_t flags)
3740{
3741 struct kmem_cache *cache, *new_cache;
3742 void *ret;
3743
3744 if (unlikely(!p))
3745 return kmalloc_track_caller(new_size, flags);
3746
3747 if (unlikely(!new_size)) {
3748 kfree(p);
3749 return NULL;
3750 }
3751
3752 cache = virt_to_cache(p);
3753 new_cache = __find_general_cachep(new_size, flags);
3754
3755 /*
3756 * If new size fits in the current cache, bail out.
3757 */
3758 if (likely(cache == new_cache))
3759 return (void *)p;
3760
3761 /*
3762 * We are on the slow-path here so do not use __cache_alloc
3763 * because it bloats kernel text.
3764 */
3765 ret = kmalloc_track_caller(new_size, flags);
3766 if (ret) {
3767 memcpy(ret, p, min(new_size, ksize(p)));
3768 kfree(p);
3769 }
3770 return ret;
3771}
3772EXPORT_SYMBOL(krealloc);
3773
3774/**
3775 * kmem_cache_free - Deallocate an object 3729 * kmem_cache_free - Deallocate an object
3776 * @cachep: The cache the allocation was from. 3730 * @cachep: The cache the allocation was from.
3777 * @objp: The previously allocated object. 3731 * @objp: The previously allocated object.