disable demand paging on ANONYMOUS mappings unless anon_on_demand kernel argument is passed

2015-09-14 17:26:37 +09:00
parent 69f4b0e1ad
commit e1a01803d0
3 changed files with 12 additions and 1 deletions
--- a/kernel/include/page.h
+++ b/kernel/include/page.h
@@ -66,4 +66,6 @@ static inline int page_is_multi_mapped(struct page *page)
 	return (ihk_atomic_read(&page->count) > 1);
 }

+/* Should we take page faults on ANONYMOUS mappings? */
+extern int anon_on_demand;
 #endif