From patchwork Tue Feb 11 00:15:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Hubbard X-Patchwork-Id: 11374277 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 E0DDF109A for ; Tue, 11 Feb 2020 00:15:58 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A3E3920715 for ; Tue, 11 Feb 2020 00:15:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="rySPtA4z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3E3920715 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 88A686B01A7; Mon, 10 Feb 2020 19:15:42 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 75FE76B01F4; Mon, 10 Feb 2020 19:15:42 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5174E6B01A7; Mon, 10 Feb 2020 19:15:42 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0058.hostedemail.com [216.40.44.58]) by kanga.kvack.org (Postfix) with ESMTP id E85086B01A9 for ; Mon, 10 Feb 2020 19:15:41 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id A5092181AC9C6 for ; Tue, 11 Feb 2020 00:15:41 +0000 (UTC) X-FDA: 76475927682.25.cry68_148992dce4f21 X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,jhubbard@nvidia.com,:akpm@linux-foundation.org:viro@zeniv.linux.org.uk:hch@infradead.org:dan.j.williams@intel.com:david@fromorbit.com:ira.weiny@intel.com:jack@suse.cz:jgg@ziepe.ca:corbet@lwn.net:jglisse@redhat.com:kirill@shutemov.name:mhocko@suse.com:mike.kravetz@oracle.com:shuah@kernel.org:vbabka@suse.cz:willy@infradead.org:linux-doc@vger.kernel.org:linux-fsdevel@vger.kernel.org:linux-kselftest@vger.kernel.org:linux-rdma@vger.kernel.org::linux-kernel@vger.kernel.org:jhubbard@nvidia.com:kirill.shutemov@linux.intel.com,RULES_HIT:30036:30054:30064:30083:30090,0,RBL:216.228.121.65:@nvidia.com:.lbl8.mailshell.net-62.18.0.100 64.10.201.10,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:27,LUA_SUMMARY:none X-HE-Tag: cry68_148992dce4f21 X-Filterd-Recvd-Size: 6736 Received: from hqnvemgate26.nvidia.com (hqnvemgate26.nvidia.com [216.228.121.65]) by imf19.hostedemail.com (Postfix) with ESMTP for ; Tue, 11 Feb 2020 00:15:40 +0000 (UTC) Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 10 Feb 2020 16:15:24 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 10 Feb 2020 16:15:38 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 10 Feb 2020 16:15:38 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 11 Feb 2020 00:15:38 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 11 Feb 2020 00:15:38 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Mon, 10 Feb 2020 16:15:37 -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 , "Kirill A . Shutemov" Subject: [PATCH v6 04/12] mm/gup: pass gup flags to two more routines Date: Mon, 10 Feb 2020 16:15:28 -0800 Message-ID: <20200211001536.1027652-5-jhubbard@nvidia.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200211001536.1027652-1-jhubbard@nvidia.com> References: <20200211001536.1027652-1-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=1581380124; bh=+TuU8OOcGV+ejGVFCndVV6S1iiJ5m64AX+o6oBv/wIw=; 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=rySPtA4zcKWR2BPaJ1IGD9md45eWG7WC2cKh9eXWjeSedfKMRbY0Hf+B3ww70efW2 L1B+qvrClsrexNdyrUb4ZLBBmm0VsLe/yO8kxyHyZdurqSBq4MxzWQSHw7q++mct+x epeGRxVrR/lc8kuOLN+d3QykjTfTTeJXFf+0OoyBJzrLMZUVWUJArw6162d24j5HVy /YkbC+F30V9queEmJS4N4KKw/46V00f7iVD+mAIPS9Jb8H3NjW8uMydEG1CO4VQRzR VVLd+0sQ3GAA0kO60CvdELFtGAlxhASpgdQF+JKL4+hirllcR7HNsK6X/Z3FA25SJe W+KLCmFkqijgg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: In preparation for an upcoming patch, send gup flags args to two more routines: put_compound_head(), and undo_dev_pagemap(). Acked-by: Kirill A. Shutemov Reviewed-by: Jan Kara Signed-off-by: John Hubbard --- mm/gup.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/mm/gup.c b/mm/gup.c index 9e117998274c..e5f75e886663 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; }