From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80114C433E0 for ; Tue, 14 Jul 2020 01:21:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6084121924 for ; Tue, 14 Jul 2020 01:21:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594689700; bh=kzJhkoTmIIJ68FDK1dcv8sfvTJ5lni+FzP9QxpIHAk8=; h=Date:From:To:Subject:In-Reply-To:Reply-To:List-ID:From; b=g9p+DyIYVlIrWyp7UyfqIPmNY7TRWIe8U+fMiAc1Qa4I6L2iK6Ds3XG0Ew8E33QXi IqKpkyporDithdbiOiJ0INdOMMfC/YwjdA/a6o6KhUWOy/ORtPhGvgDCvfqn7V6ICh xL20hPG8PwOQKOw9yhREvqOpMATjzNW2VkDodqDk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726715AbgGNBVk (ORCPT ); Mon, 13 Jul 2020 21:21:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:42822 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726364AbgGNBVk (ORCPT ); Mon, 13 Jul 2020 21:21:40 -0400 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D667321548; Tue, 14 Jul 2020 01:21:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594689699; bh=kzJhkoTmIIJ68FDK1dcv8sfvTJ5lni+FzP9QxpIHAk8=; h=Date:From:To:Subject:In-Reply-To:From; b=Iw9EpGPC552rP30/YRzuW0wY4vrxwnhOAMbWOAD+bcU8qTnOvHNrZCfFdE5rcG4pp 5DojbWzvYUQKQCZbh3eY1pHGqWgShtcxqiufrugD60svrhFc5IV6TZ61JB+TX/052B 5qhATjHl3+eTaMFOqchWYsnbFF6XnQe171h4D0Ac= Date: Mon, 13 Jul 2020 18:21:38 -0700 From: Andrew Morton To: guro@fb.com, hch@infradead.org, iamjoonsoo.kim@lge.com, mhocko@suse.com, mike.kravetz@oracle.com, mm-commits@vger.kernel.org, n-horiguchi@ah.jp.nec.com, vbabka@suse.cz Subject: + mm-migrate-move-migration-helper-from-h-to-c.patch added to -mm tree Message-ID: <20200714012138.xlvp405_V%akpm@linux-foundation.org> In-Reply-To: <20200703151445.b6a0cfee402c7c5c4651f1b1@linux-foundation.org> User-Agent: s-nail v14.8.16 Sender: mm-commits-owner@vger.kernel.org Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/migrate: move migration helper from .h to .c has been added to the -mm tree. Its filename is mm-migrate-move-migration-helper-from-h-to-c.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-migrate-move-migration-helper-from-h-to-c.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-migrate-move-migration-helper-from-h-to-c.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Joonsoo Kim Subject: mm/migrate: move migration helper from .h to .c It's not performance sensitive function. Move it to .c. This is a preparation step for future change. Link: http://lkml.kernel.org/r/1594622517-20681-3-git-send-email-iamjoonsoo.kim@lge.com Signed-off-by: Joonsoo Kim Acked-by: Mike Kravetz Acked-by: Michal Hocko Reviewed-by: Vlastimil Babka Cc: Christoph Hellwig Cc: Naoya Horiguchi Cc: Roman Gushchin Signed-off-by: Andrew Morton --- include/linux/migrate.h | 33 +++++---------------------------- mm/migrate.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+), 28 deletions(-) --- a/include/linux/migrate.h~mm-migrate-move-migration-helper-from-h-to-c +++ a/include/linux/migrate.h @@ -31,34 +31,6 @@ enum migrate_reason { /* In mm/debug.c; also keep sync with include/trace/events/migrate.h */ extern const char *migrate_reason_names[MR_TYPES]; -static inline struct page *new_page_nodemask(struct page *page, - int preferred_nid, nodemask_t *nodemask) -{ - gfp_t gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL; - unsigned int order = 0; - struct page *new_page = NULL; - - if (PageHuge(page)) - return alloc_huge_page_nodemask(page_hstate(compound_head(page)), - preferred_nid, nodemask); - - if (PageTransHuge(page)) { - gfp_mask |= GFP_TRANSHUGE; - order = HPAGE_PMD_ORDER; - } - - if (PageHighMem(page) || (zone_idx(page_zone(page)) == ZONE_MOVABLE)) - gfp_mask |= __GFP_HIGHMEM; - - new_page = __alloc_pages_nodemask(gfp_mask, order, - preferred_nid, nodemask); - - if (new_page && PageTransHuge(new_page)) - prep_transhuge_page(new_page); - - return new_page; -} - #ifdef CONFIG_MIGRATION extern void putback_movable_pages(struct list_head *l); @@ -67,6 +39,8 @@ extern int migrate_page(struct address_s enum migrate_mode 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 struct page *new_page_nodemask(struct page *page, + int preferred_nid, nodemask_t *nodemask); extern int isolate_movable_page(struct page *page, isolate_mode_t mode); extern void putback_movable_page(struct page *page); @@ -85,6 +59,9 @@ static inline int migrate_pages(struct l free_page_t free, unsigned long private, enum migrate_mode mode, int reason) { return -ENOSYS; } +static inline struct page *new_page_nodemask(struct page *page, + int preferred_nid, nodemask_t *nodemask) + { return NULL; } static inline int isolate_movable_page(struct page *page, isolate_mode_t mode) { return -EBUSY; } --- a/mm/migrate.c~mm-migrate-move-migration-helper-from-h-to-c +++ a/mm/migrate.c @@ -1534,6 +1534,35 @@ out: return rc; } +struct page *new_page_nodemask(struct page *page, + int preferred_nid, nodemask_t *nodemask) +{ + gfp_t gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL; + unsigned int order = 0; + struct page *new_page = NULL; + + if (PageHuge(page)) + return alloc_huge_page_nodemask( + page_hstate(compound_head(page)), + preferred_nid, nodemask); + + if (PageTransHuge(page)) { + gfp_mask |= GFP_TRANSHUGE; + order = HPAGE_PMD_ORDER; + } + + if (PageHighMem(page) || (zone_idx(page_zone(page)) == ZONE_MOVABLE)) + gfp_mask |= __GFP_HIGHMEM; + + new_page = __alloc_pages_nodemask(gfp_mask, order, + preferred_nid, nodemask); + + if (new_page && PageTransHuge(new_page)) + prep_transhuge_page(new_page); + + return new_page; +} + #ifdef CONFIG_NUMA static int store_status(int __user *status, int start, int value, int nr) _ Patches currently in -mm which might be from iamjoonsoo.kim@lge.com are mm-page_isolation-prefer-the-node-of-the-source-page.patch mm-migrate-move-migration-helper-from-h-to-c.patch mm-hugetlb-unify-migration-callbacks.patch mm-migrate-clear-__gfp_reclaim-to-make-the-migration-callback-consistent-with-regular-thp-allocations.patch mm-migrate-make-a-standard-migration-target-allocation-function.patch mm-mempolicy-use-a-standard-migration-target-allocation-callback.patch mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch mm-memory-failure-remove-a-wrapper-for-alloc_migration_target.patch mm-memory_hotplug-remove-a-wrapper-for-alloc_migration_target.patch