Messages in this thread | | | Subject | Re: [rfc][patch] mm: madvise(WILLNEED) for anonymous memory | From | Peter Zijlstra <> | Date | Thu, 20 Dec 2007 16:23:39 +0100 |
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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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