KVM: Avoid killing userspace through guest SRAO MCE on unmapped pages

[net-next-2.6.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index a2b48041b91084865a71c74b3f13342bf02fc6be..7a9ab7db1975bdf9b21d58936f206c10c0dfcef0 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1465,6 +1465,14 @@ extern int sysctl_memory_failure_recovery;
 extern void shake_page(struct page *p, int access);
 extern atomic_long_t mce_bad_pages;
 extern int soft_offline_page(struct page *page, int flags);
+#ifdef CONFIG_MEMORY_FAILURE
+int is_hwpoison_address(unsigned long addr);
+#else
+static inline int is_hwpoison_address(unsigned long addr)
+{
+       return 0;
+}
+#endif
 
 extern void dump_page(struct page *page);