On Wed, 18 Jan 2006, Nick Piggin wrote:
> Use page->lru.next to implement the singly linked list of pages rather
> than the struct deferred_page which needs to be allocated and freed for
> each page.
>
> Signed-off-by: Nick Piggin <[email protected]>
> Acked-by: Andi Kleen <[email protected]>
>
> Index: linux-2.6/arch/x86_64/mm/pageattr.c
> ===================================================================
...
> +
> + flush_map((dpage && !dpage->lru.next) ? (unsigned long)page_address(dpage) : 0);
> + while (dpage) {
> + __free_page(dpage);
> + dpage = (struct page *)dpage->lru.next;
> }
> }
>
do you want to be touching a struct page that was just freed?
-Jason
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