Commit-ID: dd4377b02d9f028006beed1b7b1695ee5d1498b6 Gitweb: http://git.kernel.org/tip/dd4377b02d9f028006beed1b7b1695ee5d1498b6 Author: Xiaotian Feng <dfeng@xxxxxxxxxx> AuthorDate: Thu, 26 Nov 2009 19:53:48 +0800 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Thu, 26 Nov 2009 15:05:03 +0100 x86/pat: Trivial: don't create debugfs for memtype if pat is disabled If pat is disabled (boot with nopat), there's no need to create debugfs for it, it's empty all the time. Signed-off-by: Xiaotian Feng <dfeng@xxxxxxxxxx> Cc: Suresh Siddha <suresh.b.siddha@xxxxxxxxx> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx> Cc: H. Peter Anvin <hpa@xxxxxxxxx> LKML-Reference: <1259236428-16329-1-git-send-email-dfeng@xxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- arch/x86/mm/pat.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index ef71251..a81b7e7 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -1019,8 +1019,10 @@ static const struct file_operations memtype_fops = { static int __init pat_memtype_list_init(void) { - debugfs_create_file("pat_memtype_list", S_IRUSR, arch_debugfs_dir, - NULL, &memtype_fops); + if (pat_enabled) { + debugfs_create_file("pat_memtype_list", S_IRUSR, + arch_debugfs_dir, NULL, &memtype_fops); + } return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html