Re: [PATCH 1/2] mm/slab: add a node-track-caller variant for kmem buckets allocation

[Vlastimil Babka (SUSE)]

On 6/2/26 20:31, Pedro Falcato wrote:
> This is required by users that want to use kmem buckets, but still
> desire specifying the NUMA node.
> 
> Signed-off-by: Pedro Falcato <pfalcato@xxxxxxx>

Acked-by: Vlastimil Babka (SUSE) <vbabka@xxxxxxxxxx>

As the main change is in net code, probably should go in the net tree?

> ---
>  include/linux/slab.h | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/slab.h b/include/linux/slab.h
> index 7b46fa499b08..685a87d8f0c5 100644
> --- a/include/linux/slab.h
> +++ b/include/linux/slab.h
> @@ -1153,8 +1153,11 @@ void *kmalloc_nolock(size_t size, gfp_t gfp_flags, int node);
>  #define kmem_buckets_alloc(_b, _size, _flags)	\
>  	alloc_hooks(__kmalloc_node_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, NUMA_NO_NODE))
>  
> -#define kmem_buckets_alloc_track_caller(_b, _size, _flags)	\
> -	alloc_hooks(__kmalloc_node_track_caller_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, NUMA_NO_NODE, _RET_IP_))
> +#define kmem_buckets_alloc_node_track_caller(_b, _size, _flags, _node)	\
> +	alloc_hooks(__kmalloc_node_track_caller_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, _node, _RET_IP_))
> +
> +#define kmem_buckets_alloc_track_caller(_b, _size, _flags) \
> +	kmem_buckets_alloc_node_track_caller(_b, _size, _flags, NUMA_NO_NODE)
>  
>  static __always_inline __alloc_size(1) void *_kmalloc_node_noprof(size_t size, gfp_t flags, int node, kmalloc_token_t token)
>  {