From patchwork Sat Feb 1 03:40:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Hubbard X-Patchwork-Id: 11360927 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 09D5B14E3 for ; Sat, 1 Feb 2020 03:41:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE1EE20CC7 for ; Sat, 1 Feb 2020 03:41:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="o2UyCaqK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727090AbgBADkh (ORCPT ); Fri, 31 Jan 2020 22:40:37 -0500 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:11567 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726698AbgBADkg (ORCPT ); Fri, 31 Jan 2020 22:40:36 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Fri, 31 Jan 2020 19:40:21 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Fri, 31 Jan 2020 19:40:36 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Fri, 31 Jan 2020 19:40:36 -0800 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Sat, 1 Feb 2020 03:40:35 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Sat, 1 Feb 2020 03:40:35 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Fri, 31 Jan 2020 19:40:35 -0800 From: John Hubbard To: Andrew Morton CC: Al Viro , Christoph Hellwig , Dan Williams , Dave Chinner , Ira Weiny , Jan Kara , Jason Gunthorpe , Jonathan Corbet , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , "Kirill A . Shutemov" , Michal Hocko , Mike Kravetz , Shuah Khan , Vlastimil Babka , Matthew Wilcox , , , , , , LKML , John Hubbard Subject: [PATCH v3 05/12] mm/gup: pass gup flags to two more routines Date: Fri, 31 Jan 2020 19:40:22 -0800 Message-ID: <20200201034029.4063170-6-jhubbard@nvidia.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200201034029.4063170-1-jhubbard@nvidia.com> References: <20200201034029.4063170-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1580528421; bh=k59Z87/FYHBXJ8LLM3bAMvqJQE/1MxpluJ3xDpIMcrU=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:X-NVConfidentiality: Content-Transfer-Encoding:Content-Type; b=o2UyCaqKoIhrlLwHM9fEcUVcv1LbCtiKqeNsJUcnc6V1G6/2k54f6gWL0+gsbziK6 eLMFjjAWC/kabi+v646AHzmvMv4MY2ohoekgsJuk3P0rsQ6BAHMVHzZW5Y9zOCNIxZ 7EIF8wHQEBTwvEPA4MHBNXAcg1AZsYUpEeWUB20n+A9M1qIby8WRo5YUVXPmdGDCGL ISqTlNNczNG3eDxz4u5S36cmlkUHFmnF1/CkojFzh6zfBPsJoqMmrgk7OSqMut0I1+ Sz3+olbOP9hxQl6Tvq7n72B/1qSRLCGECrlLcIspPnR2iu+oG5aoeVgb1/TCDAHp5n HxwlV6DxSy3TQ== Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org In preparation for an upcoming patch, send gup flags args to two more routines: put_compound_head(), and undo_dev_pagemap(). Signed-off-by: John Hubbard Acked-by: Kirill A. Shutemov Reviewed-by: Jan Kara --- mm/gup.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/mm/gup.c b/mm/gup.c index 65a40560c8d0..83473c2165f4 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1870,6 +1870,7 @@ static inline pte_t gup_get_pte(pte_t *ptep) #endif /* CONFIG_GUP_GET_PTE_LOW_HIGH */ static void __maybe_unused undo_dev_pagemap(int *nr, int nr_start, + unsigned int flags, struct page **pages) { while ((*nr) - nr_start) { @@ -1909,7 +1910,7 @@ static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end, pgmap = get_dev_pagemap(pte_pfn(pte), pgmap); if (unlikely(!pgmap)) { - undo_dev_pagemap(nr, nr_start, pages); + undo_dev_pagemap(nr, nr_start, flags, pages); goto pte_unmap; } } else if (pte_special(pte)) @@ -1974,7 +1975,7 @@ static int __gup_device_huge(unsigned long pfn, unsigned long addr, pgmap = get_dev_pagemap(pfn, pgmap); if (unlikely(!pgmap)) { - undo_dev_pagemap(nr, nr_start, pages); + undo_dev_pagemap(nr, nr_start, flags, pages); return 0; } SetPageReferenced(page); @@ -2001,7 +2002,7 @@ static int __gup_device_huge_pmd(pmd_t orig, pmd_t *pmdp, unsigned long addr, return 0; if (unlikely(pmd_val(orig) != pmd_val(*pmdp))) { - undo_dev_pagemap(nr, nr_start, pages); + undo_dev_pagemap(nr, nr_start, flags, pages); return 0; } return 1; @@ -2019,7 +2020,7 @@ static int __gup_device_huge_pud(pud_t orig, pud_t *pudp, unsigned long addr, return 0; if (unlikely(pud_val(orig) != pud_val(*pudp))) { - undo_dev_pagemap(nr, nr_start, pages); + undo_dev_pagemap(nr, nr_start, flags, pages); return 0; } return 1; @@ -2053,7 +2054,7 @@ static int record_subpages(struct page *page, unsigned long addr, return nr; } -static void put_compound_head(struct page *page, int refs) +static void put_compound_head(struct page *page, int refs, unsigned int flags) { VM_BUG_ON_PAGE(page_ref_count(page) < refs, page); /* @@ -2103,7 +2104,7 @@ static int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, return 0; if (unlikely(pte_val(pte) != pte_val(*ptep))) { - put_compound_head(head, refs); + put_compound_head(head, refs, flags); return 0; } @@ -2163,7 +2164,7 @@ static int gup_huge_pmd(pmd_t orig, pmd_t *pmdp, unsigned long addr, return 0; if (unlikely(pmd_val(orig) != pmd_val(*pmdp))) { - put_compound_head(head, refs); + put_compound_head(head, refs, flags); return 0; } @@ -2197,7 +2198,7 @@ static int gup_huge_pud(pud_t orig, pud_t *pudp, unsigned long addr, return 0; if (unlikely(pud_val(orig) != pud_val(*pudp))) { - put_compound_head(head, refs); + put_compound_head(head, refs, flags); return 0; } @@ -2226,7 +2227,7 @@ static int gup_huge_pgd(pgd_t orig, pgd_t *pgdp, unsigned long addr, return 0; if (unlikely(pgd_val(orig) != pgd_val(*pgdp))) { - put_compound_head(head, refs); + put_compound_head(head, refs, flags); return 0; }