Re: unused swap offset / bad page map.

[Dave Jones]

void __lru_cache_add(struct page *page)
{
        struct pagevec *pvec = &get_cpu_var(lru_add_pvec);

        page_cache_get(page);
        if (!pagevec_space(pvec))
                __pagevec_lru_add(pvec);
        pagevec_add(pvec, page);
        put_cpu_var(lru_add_pvec);
}

I added a printk, and found that pagevec_add frequently returns 0. Is that ok ?

What happens to 'page' in this case ?

	Dave

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