[PATCH v2 1/2] maple_tree: remove maple_big_node.parent

[Liam R. Howlett]

* Wei Yang <richard.weiyang at gmail.com> [240908 10:06]:
> The member parent of maple_big_node is never used.
> 
> Let's remove it which could reduce the number of space to be cleared on
> memset.
> 
> Signed-off-by: Wei Yang <richard.weiyang at gmail.com>
> CC: Liam R. Howlett <Liam.Howlett at Oracle.com>

Reviewed-by: Liam R. Howlett <Liam.Howlett at Oracle.com>

> ---
>  lib/maple_tree.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/lib/maple_tree.c b/lib/maple_tree.c
> index 4e08dd5e391b..c3370c7449c2 100644
> --- a/lib/maple_tree.c
> +++ b/lib/maple_tree.c
> @@ -120,7 +120,6 @@ static const unsigned char mt_min_slots[] = {
>  #define MAPLE_BIG_NODE_GAPS	(MAPLE_ARANGE64_SLOTS * 2 + 1)
>  
>  struct maple_big_node {
> -	struct maple_pnode *parent;
>  	unsigned long pivot[MAPLE_BIG_NODE_SLOTS - 1];
>  	union {
>  		struct maple_enode *slot[MAPLE_BIG_NODE_SLOTS];
> -- 
> 2.34.1
>