Re: [PATCH] fix page aging (2.4.9-ac12)

[Jan Harkes]

On Wed, Sep 19, 2001 at 03:25:29PM -0300, Rik van Riel wrote:
> No more mr. overcareful, obviously that doesn't work ;)

Finally ;)

>  static inline void age_page_down(struct page *page)
>  {
...
> +	unsigned long age = page->age;
> +	if (age > 0)
> +		age -= PAGE_AGE_DECL;
> +	page->age = age;
>  }

Perhaps the following would be better, just in case anyone sets
PAGE_AGE_DECL to something other than 1.

    static inline void age_page_down(struct page *page)
    {
	unsigned long age = page->age;
	if (age > PAGE_AGE_DECL)
		age -= PAGE_AGE_DECL;
	else
		age = 0;
	page->age = age;
    }

Jan