On 4/4/24 5:43 PM, Alexander Lobakin wrote:
> Add NUMA-aware counterparts for kvmalloc_array() and kvcalloc() to be
> able to flexibly allocate arrays for a particular node.
> Rewrite kvmalloc_array() to kvmalloc_array_node(NUMA_NO_NODE) call.
>
> Signed-off-by: Alexander Lobakin <[email protected]>
Acked-by: Vlastimil Babka <vbabka@suse>
This will however cause some conflicts with alloc tagging series with mm
tree in next and the new wrappers will have to be adjusted.
> ---
> include/linux/slab.h | 17 +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/slab.h b/include/linux/slab.h
> index e53cbfa18325..d1d1fa5e7983 100644
> --- a/include/linux/slab.h
> +++ b/include/linux/slab.h
> @@ -774,14 +774,27 @@ static inline __alloc_size(1) void *kvzalloc(size_t
> size, gfp_t flags)
> return kvmalloc(size, flags | __GFP_ZERO);
> }
>
> -static inline __alloc_size(1, 2) void *kvmalloc_array(size_t n, size_t size,
> gfp_t flags)
> +static inline __alloc_size(1, 2) void *
> +kvmalloc_array_node(size_t n, size_t size, gfp_t flags, int node)
> {
> size_t bytes;
>
> if (unlikely(check_mul_overflow(n, size, &bytes)))
> return NULL;
>
> - return kvmalloc(bytes, flags);
> + return kvmalloc_node(bytes, flags, node);
> +}
> +
> +static inline __alloc_size(1, 2) void *
> +kvmalloc_array(size_t n, size_t size, gfp_t flags)
> +{
> + return kvmalloc_array_node(n, size, flags, NUMA_NO_NODE);
> +}
> +
> +static inline __alloc_size(1, 2) void *
> +kvcalloc_node(size_t n, size_t size, gfp_t flags, int node)
> +{
> + return kvmalloc_array_node(n, size, flags | __GFP_ZERO, node);
> }
>
> static inline __alloc_size(1, 2) void *kvcalloc(size_t n, size_t size, gfp_t
> flags)
