From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f199.google.com (mail-ob0-f199.google.com [209.85.214.199]) by kanga.kvack.org (Postfix) with ESMTP id 581B96B0005 for ; Mon, 20 Jun 2016 19:11:28 -0400 (EDT) Received: by mail-ob0-f199.google.com with SMTP id hx8so767109obb.0 for ; Mon, 20 Jun 2016 16:11:28 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id h18si35942821pfk.107.2016.06.20.16.11.27 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 Jun 2016 16:11:27 -0700 (PDT) Date: Mon, 20 Jun 2016 16:11:26 -0700 From: Andrew Morton Subject: Re: [PATCH 1/1] mm/page_ref: introduce page_ref_inc_return Message-Id: <20160620161126.082c51572524a39f599ecc52@linux-foundation.org> In-Reply-To: <1466419093-114348-2-git-send-email-borntraeger@de.ibm.com> References: <1466419093-114348-1-git-send-email-borntraeger@de.ibm.com> <1466419093-114348-2-git-send-email-borntraeger@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christian Borntraeger Cc: linux-mm@kvack.org, Paolo Bonzini , Radim =?UTF-8?Q?Kr=C4=8Dm=C3=A1=C5=99?= , KVM , Cornelia Huck , linux-s390 , David Hildenbrand , linux-kernel@vger.kernel.org, Vlastimil Babka , Joonsoo Kim On Mon, 20 Jun 2016 12:38:13 +0200 Christian Borntraeger wrote: > From: David Hildenbrand > > Let's introduce that helper. > > ... > > +static inline int page_ref_inc_return(struct page *page) > +{ > + int ret = atomic_inc_return(&page->_refcount); > + > + if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_return)) > + __page_ref_mod_and_return(page, 1, ret); > + return ret; > +} Acked-by: Andrew Morton -- 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