x86/fpu, x86/mm/pkeys: Add PKRU xsave fields and data structures

[cascardo/linux.git] / mm / hugetlb.c

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 12908dc..06ae13e 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1001,7 +1001,7 @@ static int hstate_next_node_to_free(struct hstate *h, nodemask_t *nodes_allowed)
                ((node = hstate_next_node_to_free(hs, mask)) || 1);     \
                nr_nodes--)
 
-#if defined(CONFIG_CMA) && defined(CONFIG_X86_64)
+#if defined(CONFIG_X86_64) && ((defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA))
 static void destroy_compound_gigantic_page(struct page *page,
                                        unsigned int order)
 {
@@ -1214,8 +1214,8 @@ void free_huge_page(struct page *page)
 
        set_page_private(page, 0);
        page->mapping = NULL;
-       BUG_ON(page_count(page));
-       BUG_ON(page_mapcount(page));
+       VM_BUG_ON_PAGE(page_count(page), page);
+       VM_BUG_ON_PAGE(page_mapcount(page), page);
        restore_reserve = PagePrivate(page);
        ClearPagePrivate(page);
 
@@ -1286,6 +1286,7 @@ static void prep_compound_gigantic_page(struct page *page, unsigned int order)
                set_page_count(p, 0);
                set_compound_head(p, page);
        }
+       atomic_set(compound_mapcount_ptr(page), -1);
 }
 
 /*