From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx157.postini.com [74.125.245.157]) by kanga.kvack.org (Postfix) with SMTP id A987D6B0034 for ; Fri, 23 Aug 2013 10:35:29 -0400 (EDT) Date: Fri, 23 Aug 2013 10:35:12 -0400 From: Naoya Horiguchi Message-ID: <1377268512-9c5ohh48-mutt-n-horiguchi@ah.jp.nec.com> In-Reply-To: <1377253841-17620-4-git-send-email-liwanp@linux.vnet.ibm.com> References: <1377253841-17620-1-git-send-email-liwanp@linux.vnet.ibm.com> <1377253841-17620-4-git-send-email-liwanp@linux.vnet.ibm.com> Subject: Re: [PATCH v2 4/7] mm/hwpoison: replacing atomic_long_sub() with atomic_long_dec() Mime-Version: 1.0 Content-Type: text/plain; charset=iso-2022-jp Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org List-ID: To: Wanpeng Li Cc: Andrew Morton , Andi Kleen , Fengguang Wu , Tony Luck , gong.chen@linux.intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org On Fri, Aug 23, 2013 at 06:30:38PM +0800, Wanpeng Li wrote: > Repalce atomic_long_sub() with atomic_long_dec() since the page is > normal page instead of hugetlbfs page or thp. > > Signed-off-by: Wanpeng Li Reviewed-by: Naoya Horiguchi > --- > mm/memory-failure.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/memory-failure.c b/mm/memory-failure.c > index a6c4752..297965e 100644 > --- a/mm/memory-failure.c > +++ b/mm/memory-failure.c > @@ -1363,7 +1363,7 @@ int unpoison_memory(unsigned long pfn) > return 0; > } > if (TestClearPageHWPoison(p)) > - atomic_long_sub(nr_pages, &num_poisoned_pages); > + atomic_long_dec(&num_poisoned_pages); > pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn); > return 0; > } > -- > 1.8.1.2 > -- 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