linux-kernel - Re: [PATCH v2] regmap: Expose total memory consumption in the rbtree debugfs entry

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Message-ID: <20130312181246.GA19942@opensource.wolfsonmicro.com>
Date:	Tue, 12 Mar 2013 18:12:47 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>
Cc:	patches@...nsource.wolfsonmicro.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] regmap: Expose total memory consumption in the rbtree
 debugfs entry

On Tue, Mar 12, 2013 at 05:26:49PM +0000, Dimitris Papastamos wrote:

> +	mem_size = sizeof(*rbtree_ctx);
> +
>  	for (node = rb_first(&rbtree_ctx->root); node != NULL;
>  	     node = rb_next(node)) {
>  		n = container_of(node, struct regcache_rbtree_node, node);
> +		mem_size += sizeof(*n);
> +		mem_size += (n->blklen * map->cache_word_size);

This appears to ignore the size of the node structure and only have the
root context and the data.

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