diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 2748fc6a90037f08f7946613e56987c164c0e784..8c68ef13cefa103bbd4136399dad6522bba76f4e 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -751,19 +751,19 @@ static void __free_pages_ok(struct page *page, unsigned int order) void __init __free_pages_bootmem(struct page *page, unsigned int order) { unsigned int nr_pages = 1 << order; + struct page *p = page; unsigned int loop; - prefetchw(page); - for (loop = 0; loop < nr_pages; loop++) { - struct page *p = &page[loop]; - - if (loop + 1 < nr_pages) - prefetchw(p + 1); + prefetchw(p); + for (loop = 0; loop < (nr_pages - 1); loop++, p++) { + prefetchw(p + 1); __ClearPageReserved(p); set_page_count(p, 0); } + __ClearPageReserved(p); + set_page_count(p, 0); - page_zone(page)->managed_pages += 1 << order; + page_zone(page)->managed_pages += nr_pages; set_page_refcounted(page); __free_pages(page, order); }