From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx141.postini.com [74.125.245.141]) by kanga.kvack.org (Postfix) with SMTP id BCEE36B0044 for ; Mon, 23 Apr 2012 14:50:27 -0400 (EDT) Received: by dadq36 with SMTP id q36so17954073dad.8 for ; Mon, 23 Apr 2012 11:50:27 -0700 (PDT) From: Sasikanth V Subject: [PATCH] mm:vmstat - Removed debug fs entries on failure of file creation and made extfrag_debug_root dentry local Date: Tue, 24 Apr 2012 00:20:12 +0530 Message-Id: <1335207012-25133-1-git-send-email-sasikanth.v19@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , Mel Gorman , Christoph Lameter , David Rientjes , KOSAKI Motohiro Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sasikanth V Removed debug fs files and directory on failure. Since no one using "extfrag_debug_root" dentry outside of function extfrag_debug_init made it local to the function. Signed-off-by: Sasikanth V --- mm/vmstat.c | 11 ++++++++--- 1 files changed, 8 insertions(+), 3 deletions(-) diff --git a/mm/vmstat.c b/mm/vmstat.c index f600557..ddae476 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1220,7 +1220,6 @@ module_init(setup_vmstat) #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION) #include -static struct dentry *extfrag_debug_root; /* * Return an index indicating how much of the available free memory is @@ -1358,17 +1357,23 @@ static const struct file_operations extfrag_file_ops = { static int __init extfrag_debug_init(void) { + struct dentry *extfrag_debug_root; + extfrag_debug_root = debugfs_create_dir("extfrag", NULL); if (!extfrag_debug_root) return -ENOMEM; if (!debugfs_create_file("unusable_index", 0444, - extfrag_debug_root, NULL, &unusable_file_ops)) + extfrag_debug_root, NULL, &unusable_file_ops)) { + debugfs_remove (extfrag_debug_root); return -ENOMEM; + } if (!debugfs_create_file("extfrag_index", 0444, - extfrag_debug_root, NULL, &extfrag_file_ops)) + extfrag_debug_root, NULL, &extfrag_file_ops)) { + debugfs_remove_recursive (extfrag_debug_root); return -ENOMEM; + } return 0; } -- 1.7.3.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org