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Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 0dad31dc1618..1bbbbd9776ad 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1223,7 +1223,6 @@ module_init(setup_vmstat)
1223#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION) 1223#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION)
1224#include <linux/debugfs.h> 1224#include <linux/debugfs.h>
1225 1225
1226static struct dentry *extfrag_debug_root;
1227 1226
1228/* 1227/*
1229 * Return an index indicating how much of the available free memory is 1228 * Return an index indicating how much of the available free memory is
@@ -1361,19 +1360,24 @@ static const struct file_operations extfrag_file_ops = {
1361 1360
1362static int __init extfrag_debug_init(void) 1361static int __init extfrag_debug_init(void)
1363{ 1362{
1363 struct dentry *extfrag_debug_root;
1364
1364 extfrag_debug_root = debugfs_create_dir("extfrag", NULL); 1365 extfrag_debug_root = debugfs_create_dir("extfrag", NULL);
1365 if (!extfrag_debug_root) 1366 if (!extfrag_debug_root)
1366 return -ENOMEM; 1367 return -ENOMEM;
1367 1368
1368 if (!debugfs_create_file("unusable_index", 0444, 1369 if (!debugfs_create_file("unusable_index", 0444,
1369 extfrag_debug_root, NULL, &unusable_file_ops)) 1370 extfrag_debug_root, NULL, &unusable_file_ops))
1370 return -ENOMEM; 1371 goto fail;
1371 1372
1372 if (!debugfs_create_file("extfrag_index", 0444, 1373 if (!debugfs_create_file("extfrag_index", 0444,
1373 extfrag_debug_root, NULL, &extfrag_file_ops)) 1374 extfrag_debug_root, NULL, &extfrag_file_ops))
1374 return -ENOMEM; 1375 goto fail;
1375 1376
1376 return 0; 1377 return 0;
1378fail:
1379 debugfs_remove_recursive(extfrag_debug_root);
1380 return -ENOMEM;
1377} 1381}
1378 1382
1379module_init(extfrag_debug_init); 1383module_init(extfrag_debug_init);