On Tue, Nov 05, 2024 at 10:21:00AM +0800, Ke Sun wrote:
> > its size (eg 256 bytes) as the bottom bits of pointers to nodes are used
> > for other purposes. KMEM_CACHE() does not give us this guarantee.
>
> The code comments of kmem_cache say: 'The alignment of the struct
> determines object alignment.'
> #define KMEM_CACHE(__struct, __flags) \
> __kmem_cache_create_args(#__struct, sizeof(struct __struct), \
> &(struct kmem_cache_args) { \
> .align = __alignof__(struct __struct), \
> }, (__flags))
You're looking right at your bug, and you don't see it.
