On Mon, 6 Aug 2012, Shuah Khan wrote:
> +#ifdef CONFIG_DEBUG_VM
> +static int kmem_cache_sanity_check(const char *name, size_t size)
Why do we pass "size" in? AFAICT there is no need to.
> @@ -53,48 +93,17 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align
> {
> struct kmem_cache *s = NULL;
>
> -#ifdef CONFIG_DEBUG_VM
> if (!name || in_interrupt() || size < sizeof(void *) ||
> size > KMALLOC_MAX_SIZE) {
> - printk(KERN_ERR "kmem_cache_create(%s) integrity check"
> - " failed\n", name);
> + pr_err("kmem_cache_create(%s) integrity check failed\n", name);
> goto out;
> }
> -#endif
>
If you move the above code into the sanity check function then you will be
using the size as well. These are also sanity checks after all.
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