From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f54.google.com (mail-pa0-f54.google.com [209.85.220.54]) by kanga.kvack.org (Postfix) with ESMTP id A6FE3828DF for ; Tue, 12 Jan 2016 17:22:20 -0500 (EST) Received: by mail-pa0-f54.google.com with SMTP id uo6so330182448pac.1 for ; Tue, 12 Jan 2016 14:22:20 -0800 (PST) Received: from mga11.intel.com (mga11.intel.com. [192.55.52.93]) by mx.google.com with ESMTP id l82si38927703pfb.158.2016.01.12.14.22.19 for ; Tue, 12 Jan 2016 14:22:19 -0800 (PST) From: "Kirill A. Shutemov" Subject: [PATCH] mempolicy: add missed spin_unlock in queue_pages_pte_range Date: Wed, 13 Jan 2016 01:21:46 +0300 Message-Id: <1452637306-130149-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , Sasha Levin Cc: linux-mm@kvack.org, "Kirill A. Shutemov" We forgot to unlock ptl in case when huge pmd dissappered under us. This patch can be folded into "migrate_pages: try to split pages on queuing" Signed-off-by: Kirill A. Shutemov --- mm/mempolicy.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 496214bd82e2..973434eff9dc 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -510,6 +510,8 @@ static int queue_pages_pte_range(pmd_t *pmd, unsigned long addr, if (ret) return 0; } + } else { + spin_unlock(ptl); } } -- 2.6.4 -- 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/ . Don't email: email@kvack.org