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[linux-2.6.git] / mm / memory-failure.c
index 006430b..17299fd 100644 (file)
@@ -52,6 +52,8 @@ int sysctl_memory_failure_recovery __read_mostly = 1;
 
 atomic_long_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0);
 
+#if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
+
 u32 hwpoison_filter_enable = 0;
 u32 hwpoison_filter_dev_major = ~0U;
 u32 hwpoison_filter_dev_minor = ~0U;
@@ -164,6 +166,13 @@ int hwpoison_filter(struct page *p)
 
        return 0;
 }
+#else
+int hwpoison_filter(struct page *p)
+{
+       return 0;
+}
+#endif
+
 EXPORT_SYMBOL_GPL(hwpoison_filter);
 
 /*
@@ -325,7 +334,6 @@ static void kill_procs_ao(struct list_head *to_kill, int doit, int trapno,
                         * In case something went wrong with munmapping
                         * make sure the process doesn't catch the
                         * signal and then access the memory. Just kill it.
-                        * the signal handlers
                         */
                        if (fail || tk->addr_valid == 0) {
                                printk(KERN_ERR