Re: [PATCH v4 1/2] mm: Remove kmem_valid_obj()

[Vlastimil Babka]

On 8/2/23 15:09, thunder.leizhen@xxxxxxxxxxxxxxx wrote:
> From: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
> 
> Function kmem_dump_obj() will splat if passed a pointer to a non-slab
> object. So no one will call it directly. It is always necessary to call
> kmem_valid_obj() first to determine whether the passed pointer to a
> valid slab object. Then merging kmem_valid_obj() into kmem_dump_obj()
> will make the code more concise. So convert kmem_dump_obj() to work the
> same way as vmalloc_dump_obj(). After this, no one calls kmem_valid_obj()
> anymore, and it can be safely removed.
> 
> Suggested-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>

No problem if this goes through rcu tree due to patch 2/2.