On Tue, 2011-04-12 at 12:28 +0200, Michal Nazarewicz wrote:
> > Dave Hansen <dave@xxxxxxxxxxxxxxxxxx> wrote:
> >> +void __free_pages_exact(struct page *page, size_t nr_pages)
> >> +{
> >> + struct page *end = page + nr_pages;
> >> +
> >> + while (page < end) {
> >> + __free_page(page);
> >> + page++;
> >> + }
> >> +}
> >> +EXPORT_SYMBOL(__free_pages_exact);
>
> On Tue, 12 Apr 2011 00:22:23 +0200, Andrew Morton wrote:
> > Really, this function duplicates release_pages().
>
> It requires an array of pointers to pages which is not great though if one
> just wants to free a contiguous sequence of pages.
Actually, the various mem_map[]s _are_ arrays, at least up to
MAX_ORDER_NR_PAGES at a time. We can use that property here.
-- Dave
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>