Re: [PATCH v2 2/9] rbtree: optimize fetching of sibling node

[Peter Zijlstra]

On Thu, 2012-08-02 at 15:34 -0700, Michel Lespinasse wrote:

> +		tmp = gparent->rb_right;
> +		if (parent != tmp) {	/* parent == gparent->rb_left */

> +			tmp = parent->rb_right;
> +			if (node == tmp) {

> +			tmp = parent->rb_left;
> +			if (node == tmp) {

> +		sibling = parent->rb_right;
> +		if (node != sibling) {	/* node == parent->rb_left */


Half of them got a comment, the other half didn't.. is there any
particular reason for that?
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