From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Subject: Re: [PATCH v5 02/12] mm: migrate: support non-lru movable page migration Date: Mon, 16 May 2016 16:17:51 +0900 Message-ID: <20160516071751.GA32079@swordfish> References: <1462760433-32357-1-git-send-email-minchan@kernel.org> <1462760433-32357-3-git-send-email-minchan@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1462760433-32357-3-git-send-email-minchan@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Minchan Kim Cc: Rik van Riel , Sergey Senozhatsky , Rafael Aquini , Jonathan Corbet , Hugh Dickins , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, John Einar Reitan , linux-mm@kvack.org, Gioh Kim , Mel Gorman , Andrew Morton , Joonsoo Kim , Vlastimil Babka List-Id: virtualization@lists.linuxfoundation.org On (05/09/16 11:20), Minchan Kim wrote: [..] > +++ b/include/linux/migrate.h > @@ -32,11 +32,16 @@ extern char *migrate_reason_names[MR_TYPES]; > > #ifdef CONFIG_MIGRATION > > +extern int PageMovable(struct page *page); > +extern void __SetPageMovable(struct page *page, struct address_space *mapping); > +extern void __ClearPageMovable(struct page *page); > extern void putback_movable_pages(struct list_head *l); > extern int migrate_page(struct address_space *, > struct page *, struct page *, enum migrate_mode); > extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, > unsigned long private, enum migrate_mode mode, int reason); > +extern bool isolate_movable_page(struct page *page, isolate_mode_t mode); > +extern void putback_movable_page(struct page *page); > > extern int migrate_prep(void); > extern int migrate_prep_local(void); given that some of Movable users can be built as modules, shouldn't at least some of those symbols be exported via EXPORT_SYMBOL? -ss From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id EFAEE828E1 for ; Mon, 16 May 2016 03:20:02 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id 4so339077955pfw.0 for ; Mon, 16 May 2016 00:20:02 -0700 (PDT) Received: from mail-pf0-x242.google.com (mail-pf0-x242.google.com. [2607:f8b0:400e:c00::242]) by mx.google.com with ESMTPS id l24si43835166pfb.246.2016.05.16.00.20.02 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 16 May 2016 00:20:02 -0700 (PDT) Received: by mail-pf0-x242.google.com with SMTP id 145so14960311pfz.1 for ; Mon, 16 May 2016 00:20:02 -0700 (PDT) Date: Mon, 16 May 2016 16:17:51 +0900 From: Sergey Senozhatsky Subject: Re: [PATCH v5 02/12] mm: migrate: support non-lru movable page migration Message-ID: <20160516071751.GA32079@swordfish> References: <1462760433-32357-1-git-send-email-minchan@kernel.org> <1462760433-32357-3-git-send-email-minchan@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1462760433-32357-3-git-send-email-minchan@kernel.org> Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Rik van Riel , Vlastimil Babka , Joonsoo Kim , Mel Gorman , Hugh Dickins , Rafael Aquini , virtualization@lists.linux-foundation.org, Jonathan Corbet , John Einar Reitan , dri-devel@lists.freedesktop.org, Sergey Senozhatsky , Gioh Kim On (05/09/16 11:20), Minchan Kim wrote: [..] > +++ b/include/linux/migrate.h > @@ -32,11 +32,16 @@ extern char *migrate_reason_names[MR_TYPES]; > > #ifdef CONFIG_MIGRATION > > +extern int PageMovable(struct page *page); > +extern void __SetPageMovable(struct page *page, struct address_space *mapping); > +extern void __ClearPageMovable(struct page *page); > extern void putback_movable_pages(struct list_head *l); > extern int migrate_page(struct address_space *, > struct page *, struct page *, enum migrate_mode); > extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, > unsigned long private, enum migrate_mode mode, int reason); > +extern bool isolate_movable_page(struct page *page, isolate_mode_t mode); > +extern void putback_movable_page(struct page *page); > > extern int migrate_prep(void); > extern int migrate_prep_local(void); given that some of Movable users can be built as modules, shouldn't at least some of those symbols be exported via EXPORT_SYMBOL? -ss -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. 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Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752353AbcEPHUF (ORCPT ); Mon, 16 May 2016 03:20:05 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:36684 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750729AbcEPHUD (ORCPT ); Mon, 16 May 2016 03:20:03 -0400 Date: Mon, 16 May 2016 16:17:51 +0900 From: Sergey Senozhatsky To: Minchan Kim Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Rik van Riel , Vlastimil Babka , Joonsoo Kim , Mel Gorman , Hugh Dickins , Rafael Aquini , virtualization@lists.linux-foundation.org, Jonathan Corbet , John Einar Reitan , dri-devel@lists.freedesktop.org, Sergey Senozhatsky , Gioh Kim Subject: Re: [PATCH v5 02/12] mm: migrate: support non-lru movable page migration Message-ID: <20160516071751.GA32079@swordfish> References: <1462760433-32357-1-git-send-email-minchan@kernel.org> <1462760433-32357-3-git-send-email-minchan@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1462760433-32357-3-git-send-email-minchan@kernel.org> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (05/09/16 11:20), Minchan Kim wrote: [..] > +++ b/include/linux/migrate.h > @@ -32,11 +32,16 @@ extern char *migrate_reason_names[MR_TYPES]; > > #ifdef CONFIG_MIGRATION > > +extern int PageMovable(struct page *page); > +extern void __SetPageMovable(struct page *page, struct address_space *mapping); > +extern void __ClearPageMovable(struct page *page); > extern void putback_movable_pages(struct list_head *l); > extern int migrate_page(struct address_space *, > struct page *, struct page *, enum migrate_mode); > extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, > unsigned long private, enum migrate_mode mode, int reason); > +extern bool isolate_movable_page(struct page *page, isolate_mode_t mode); > +extern void putback_movable_page(struct page *page); > > extern int migrate_prep(void); > extern int migrate_prep_local(void); given that some of Movable users can be built as modules, shouldn't at least some of those symbols be exported via EXPORT_SYMBOL? -ss