Re: [PATCHv2 3/4] mm: pack compound_dtor and compound_order into one word in struct page
From: Michal Hocko <mhocko@kernel.org>
Date: 2015-08-18 16:05:35
Also in:
lkml
On Mon 17-08-15 18:09:04, Kirill A. Shutemov wrote: [...]
+/* Keep the enum in sync with compound_page_dtors array in mm/page_alloc.c */
+enum {
+ NULL_COMPOUND_DTOR,
+ COMPOUND_PAGE_DTOR,
+ HUGETLB_PAGE_DTOR,
+ NR_COMPOUND_DTORS,
+};[...]
+static void free_compound_page(struct page *page);
+compound_page_dtor * const compound_page_dtors[] = {
+ NULL,
+ free_compound_page,
+ free_huge_page,
+};
+Both need ifdef CONFIG_HUGETLB_PAGE as my compile test batter just found out. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>