Re: [patch 10/15] fs/logfs/memtree.c
From: Arnd Bergmann
Date: Thu Apr 10 2008 - 10:08:27 EST
On Tuesday 01 April 2008, joern@xxxxxxxxx wrote:
> +#if BITS_PER_LONG == 32
> +#define BTREE_NODES 20 /* 32bit, 240 byte nodes */
> +#else
> +#define BTREE_NODES 16 /* 64bit, 256 byte nodes */
> +#endif
> +
> +struct btree_node {
> + u64 key;
> + struct btree_node *node;
> +};
On 32 bit platforms other than x86, your struct btree_node
is 16 bytes long because of alignment requirements, rather
than the 12 bytes you are assuming.
Arnd <><
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/