Re: [PATCH] Sanely size hash tables when using large base pages.

[Fengguang Wu <fengguang.wu@gmail.com>]

Hi Paul,

On Tue, Dec 26, 2006 at 03:16:52PM +0900, Paul Mundt wrote:
>  	pidhash_shift = max(4, fls(megabytes * 4));
>  	pidhash_shift = min(12, pidhash_shift);
>  	pidhash_size = 1 << pidhash_shift;
>  
> +	size = pidhash_size * sizeof(struct hlist_head);
> +	if (unlikely(size < PAGE_SIZE)) {
> +		size = PAGE_SIZE;
> +		pidhash_size = size / sizeof(struct hlist_head);
> +		pidhash_shift = 0;

But pidhash_shift is not the order of page ;-)

Regards,
Wu
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