* Vlastimil Babka <vba...@suse.cz> [250910 04:02]:
> Setup the maple_node_cache with percpu sheaves of size 32 to hopefully
> improve its performance. Note this will not immediately take advantage
> of sheaf batching of kfree_rcu() operations due to the maple tree using
> call_rcu with custom callbacks. The followup changes to maple tree will
> change that and also make use of the prefilled sheaves functionality.
>
> Reviewed-by: Sidhartha Kumar <sidhartha.ku...@oracle.com>
> Reviewed-by: Suren Baghdasaryan <sur...@google.com>
> Signed-off-by: Vlastimil Babka <vba...@suse.cz>
Reviewed-by: Liam R. Howlett <liam.howl...@oracle.com>
> ---
> lib/maple_tree.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/lib/maple_tree.c b/lib/maple_tree.c
> index
> 4f0e30b57b0cef9e5cf791f3f64f5898752db402..d034f170ac897341b40cfd050b6aee86b6d2cf60
> 100644
> --- a/lib/maple_tree.c
> +++ b/lib/maple_tree.c
> @@ -6040,9 +6040,14 @@ bool mas_nomem(struct ma_state *mas, gfp_t gfp)
>
> void __init maple_tree_init(void)
> {
> + struct kmem_cache_args args = {
> + .align = sizeof(struct maple_node),
> + .sheaf_capacity = 32,
> + };
> +
> maple_node_cache = kmem_cache_create("maple_node",
> - sizeof(struct maple_node), sizeof(struct maple_node),
> - SLAB_PANIC, NULL);
> + sizeof(struct maple_node), &args,
> + SLAB_PANIC);
> }
>
> /**
>
> --
> 2.51.0
>
>
> --
> maple-tree mailing list
> maple-t...@lists.infradead.org
> https://lists.infradead.org/mailman/listinfo/maple-tree
