mm/page_alloc.c: use list_for_each_entry in mark_free_pages() (86760a2c) · Commits · 戴 / test

Use list_for_each_entry instead of list_for_each + list_entry to simplify the code. Signed-off-by:

mm/page_alloc.c

+5 −5

Original line number	Diff line number	Diff line
		@@ -1980,7 +1980,7 @@ void mark_free_pages(struct zone *zone)
		unsigned long pfn, max_zone_pfn;
		unsigned long flags;
		unsigned int order, t;
		struct list_head *curr;
		struct page *page;

		if (zone_is_empty(zone))
		return;
		@@ -1990,17 +1990,17 @@ void mark_free_pages(struct zone *zone)
		max_zone_pfn = zone_end_pfn(zone);
		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)
		if (pfn_valid(pfn)) {
		struct page *page = pfn_to_page(pfn);

		page = pfn_to_page(pfn);
		if (!swsusp_page_is_forbidden(page))
		swsusp_unset_page_free(page);
		}

		for_each_migratetype_order(order, t) {
		list_for_each(curr, &zone->free_area[order].free_list[t]) {
		list_for_each_entry(page,
		&zone->free_area[order].free_list[t], lru) {
		unsigned long i;

		pfn = page_to_pfn(list_entry(curr, struct page, lru));
		pfn = page_to_pfn(page);
		for (i = 0; i < (1UL << order); i++)
		swsusp_set_page_free(pfn_to_page(pfn + i));
		}