nfsd: 4.1 has an rfc number

[safe/jmp/linux-2.6] / mm / hwpoison-inject.c

diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index 2b6b320..10ea719 100644 (file)
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -18,6 +18,8 @@ static int hwpoison_inject(void *data, u64 val)
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
 
+       if (!hwpoison_filter_enable)
+               goto inject;
        if (!pfn_valid(pfn))
                return -ENXIO;
 
@@ -29,7 +31,7 @@ static int hwpoison_inject(void *data, u64 val)
                return 0;
 
        if (!PageLRU(p))
-               shake_page(p);
+               shake_page(p, 0);
        /*
         * This implies unable to support non-LRU pages.
         */
@@ -48,6 +50,7 @@ static int hwpoison_inject(void *data, u64 val)
        if (err)
                return 0;
 
+inject:
        printk(KERN_INFO "Injecting memory failure at pfn %lx\n", pfn);
        return __memory_failure(pfn, 18, MF_COUNT_INCREASED);
 }
@@ -92,6 +95,11 @@ static int pfn_inject_init(void)
        if (!dentry)
                goto fail;
 
+       dentry = debugfs_create_u32("corrupt-filter-enable", 0600,
+                                   hwpoison_dir, &hwpoison_filter_enable);
+       if (!dentry)
+               goto fail;
+
        dentry = debugfs_create_u32("corrupt-filter-dev-major", 0600,
                                    hwpoison_dir, &hwpoison_filter_dev_major);
        if (!dentry)
@@ -102,6 +110,23 @@ static int pfn_inject_init(void)
        if (!dentry)
                goto fail;
 
+       dentry = debugfs_create_u64("corrupt-filter-flags-mask", 0600,
+                                   hwpoison_dir, &hwpoison_filter_flags_mask);
+       if (!dentry)
+               goto fail;
+
+       dentry = debugfs_create_u64("corrupt-filter-flags-value", 0600,
+                                   hwpoison_dir, &hwpoison_filter_flags_value);
+       if (!dentry)
+               goto fail;
+
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+       dentry = debugfs_create_u64("corrupt-filter-memcg", 0600,
+                                   hwpoison_dir, &hwpoison_filter_memcg);
+       if (!dentry)
+               goto fail;
+#endif
+
        return 0;
 fail:
        pfn_inject_exit();