On Thu, 2007-12-20 at 16:18 +0100, Peter Zijlstra wrote:
> +static int madvise_willneed_anon_pte(pte_t *ptep,
> + unsigned long start, unsigned long end, void *arg)
> +{
> + struct vm_area_struct *vma = arg;
> + struct page *page;
> +
> + page = read_swap_cache_async(pte_to_swp_entry(*ptep), GFP_KERNEL,
Argh, with HIGHPTE this is done inside a kmap_atomic.
/me goes complicate the code with page pre-allocation..
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