From patchwork Mon Sep 16 16:57:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shivank Garg X-Patchwork-Id: 13805652 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D27C5C3ABB2 for ; Mon, 16 Sep 2024 16:58:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6BA7E6B0093; Mon, 16 Sep 2024 12:58:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 66A146B0095; Mon, 16 Sep 2024 12:58:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4E3F76B0096; Mon, 16 Sep 2024 12:58:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 2BEBA6B0093 for ; Mon, 16 Sep 2024 12:58:40 -0400 (EDT) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id D9D9BA0671 for ; Mon, 16 Sep 2024 16:58:39 +0000 (UTC) X-FDA: 82571210358.07.B13C274 Received: from NAM04-DM6-obe.outbound.protection.outlook.com (mail-dm6nam04on2089.outbound.protection.outlook.com [40.107.102.89]) by imf30.hostedemail.com (Postfix) with ESMTP id E6EDB8000C for ; Mon, 16 Sep 2024 16:58:36 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=amd.com header.s=selector1 header.b=4AItlesE; dmarc=pass (policy=quarantine) header.from=amd.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf30.hostedemail.com: domain of shivankg@amd.com designates 40.107.102.89 as permitted sender) smtp.mailfrom=shivankg@amd.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1726505908; a=rsa-sha256; cv=pass; b=MwEowqEv+3oRk1wIcT6WeyIHlCcx97GiICq25UIYPl+qERXQkrh7mM78zPlaCbSN4XB73i LH7wkhEq2NCJFG8DWmijP3P0n1G2BGma/f0/I0ObQ+oify1K2WwIRaljavpFAiN8ss/BZ6 wHxBE0Z+juNJ7YotCUJBf0zp9fcXApE= ARC-Authentication-Results: i=2; imf30.hostedemail.com; dkim=pass header.d=amd.com header.s=selector1 header.b=4AItlesE; dmarc=pass (policy=quarantine) header.from=amd.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf30.hostedemail.com: domain of shivankg@amd.com designates 40.107.102.89 as permitted sender) smtp.mailfrom=shivankg@amd.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1726505908; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=IVP9Dii3HPFNi0wU5QvtIqIv1UyuRRkoFQmZgmQjIHI=; b=ok9DjL30yEV4wsJ7UpAnJviKxkZytkrUOIAMoNMmd6rxZhSYvEpjHirm7wZttAJAvMoe1+ C1g6sjoZSCyWnQyz1AlYx42ccJTnKCMY9cFKvjFvMZbmZTOaoJqDcuXODfbQdDslTGMNh0 lfjJaMI/QxQfc62iQZ0nmL4xr6LUguY= ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=q0CtHGecNJ7MD6op2QX4O9W4yTR2pfAlCQ8Gfdd5zMo6jOgsrhBir8F4tMLjhEGstoZoRrzYDOHRNPfMn4f4V28bpnqeYHDEBg35NQb1iIJnlh7NNlljTATrlY+tbVVK4o3Nv/1fdf6D5SE3dwYs2a1gvDQ77g1zpXS9WNjAibFWWUuwaWrHlJ6LD1sYvkmfjHUtGZWTM8UCBb2po9qHDgr6aNgcStLeBNNQJtmRLBTbSGygajvaHMBplCAUdnWZ6PEH8ac+TkuYZMDk9oEpJZ4lIgtwqoxTqHG25MR5w6+zkt3eirbH8Yu1LNXwnR867l7VE7M+xTVsHFkBRf8mpw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=IVP9Dii3HPFNi0wU5QvtIqIv1UyuRRkoFQmZgmQjIHI=; b=idjKFsBt8jWYViusOgUFflYCvL5PbK8I8HKZ6lmsHpMha5/QTL1zeSk1GLw+2xlZyjKR8eQwrwB/EACx4PVjtWF8eiHCWsegCvDmrTqpcIzcwiY2JVFKZpV0EUt5i3FoILMutErcvIHijtJ/ADtZp3ZL0MK1JYGxPoIMxS9WaMpBH7wxZo3vnywb/lS9RLQ4ypRRhjmd63adaQMIFrbBlfXD31xldhhTMjD993kExInUXall71HyOBIs02z+JR9UbJvZQbr+e6LLtdMMtqHrYvjCkmm0b/brdwAj60I+ds7PMRmPoPtL/xN3pdiR0ZcL2UreLJr/m1NICvGl2bbIng== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=redhat.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=IVP9Dii3HPFNi0wU5QvtIqIv1UyuRRkoFQmZgmQjIHI=; b=4AItlesEfdHYwycTxmNZdHOSkZ+q5hDSkVXnU004Yygw6f2kpYYXiMZYrN+vo4fZvaCs+sqZxhbNN1aJsJoO+OlrgywJy7AmwBPqQu29p8yw9UaZylWpBwNEAyWPqmhLbaBXE9Wo7Wu47pkZE5mt5oWdvUfYgTS7xHHMu7TbaEM= Received: from PH7P220CA0052.NAMP220.PROD.OUTLOOK.COM (2603:10b6:510:32b::34) by BY5PR12MB4145.namprd12.prod.outlook.com (2603:10b6:a03:212::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7918.20; Mon, 16 Sep 2024 16:58:32 +0000 Received: from SN1PEPF000252A0.namprd05.prod.outlook.com (2603:10b6:510:32b:cafe::ac) by PH7P220CA0052.outlook.office365.com (2603:10b6:510:32b::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7939.30 via Frontend Transport; Mon, 16 Sep 2024 16:58:32 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by SN1PEPF000252A0.mail.protection.outlook.com (10.167.242.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7918.13 via Frontend Transport; Mon, 16 Sep 2024 16:58:32 +0000 Received: from kaveri.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 16 Sep 2024 11:58:26 -0500 From: Shivank Garg To: , , , CC: , , , , , , , , , , , , , Subject: [PATCH RFC 2/3] mm: Add mempolicy support to the filemap layer Date: Mon, 16 Sep 2024 16:57:42 +0000 Message-ID: <20240916165743.201087-3-shivankg@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240916165743.201087-1-shivankg@amd.com> References: <20240916165743.201087-1-shivankg@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000252A0:EE_|BY5PR12MB4145:EE_ X-MS-Office365-Filtering-Correlation-Id: 57e9d57f-c103-4597-216b-08dcd670cba1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|1800799024|36860700013|82310400026|376014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(7416014)(1800799024)(36860700013)(82310400026)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Sep 2024 16:58:32.0002 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 57e9d57f-c103-4597-216b-08dcd670cba1 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000252A0.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4145 X-Rspam-User: X-Stat-Signature: 4e8c8frg4759h14yg6ac7worpek8gqew X-Rspamd-Queue-Id: E6EDB8000C X-Rspamd-Server: rspam02 X-HE-Tag: 1726505916-455177 X-HE-Meta: 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 5JeZ9r7s v1KRinq0Fv/Jz7E6cUlqrWh6PxJrFO70CsZaPRmhTjEYocMtmy3PwvY9iz7xqeSt5aPiqIN3VrF+soBRmKY2OukYdlCgGTazqigkcRTV+OwnjCMocNX8TgD3HQ1XReTQsDr146Cl9LPz3zVX5b/fXeDHYjOvvPEYx5z38yM0jEVjaD2CAmJTk3Ps7o4cg8xvsduiCRrIsp7VNXI6SrRa8uoAWWr04hgHCp9pfqwwlzseKjmAL3Sk7YFu7J/4qT0bNP/fbR0QFepHZArdyHbsoWzqO/N2UJuz28wcZErDqgYG4Tj6uLLsWtzqg0YQf4Lq1l6uznMvHN6Bl1avFyZwvvVW3Mw== 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: List-Subscribe: List-Unsubscribe: From: Shivansh Dhiman Introduce mempolicy support to the filemap. Add filemap_grab_folio_mpol, filemap_alloc_folio_mpol_noprof() and __filemap_get_folio_mpol() APIs that take mempolicy struct as an argument. The API is required by VMs using KVM guest-memfd memory backends for NUMA mempolicy aware allocations. Signed-off-by: Shivansh Dhiman Signed-off-by: Shivank Garg --- include/linux/pagemap.h | 30 ++++++++++++++++++++++++++++++ mm/filemap.c | 30 +++++++++++++++++++++++++----- mm/mempolicy.c | 1 + 3 files changed, 56 insertions(+), 5 deletions(-) diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index d9c7edb6422b..da7e41a45588 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -564,11 +564,19 @@ static inline void *detach_page_private(struct page *page) #ifdef CONFIG_NUMA struct folio *filemap_alloc_folio_noprof(gfp_t gfp, unsigned int order); +struct folio *filemap_alloc_folio_mpol_noprof(gfp_t gfp, unsigned int order, + struct mempolicy *mpol); #else static inline struct folio *filemap_alloc_folio_noprof(gfp_t gfp, unsigned int order) { return folio_alloc_noprof(gfp, order); } +static inline struct folio *filemap_alloc_folio_mpol_noprof(gfp_t gfp, + unsigned int order, + struct mempolicy *mpol) +{ + return filemap_alloc_folio_noprof(gfp, order); +} #endif #define filemap_alloc_folio(...) \ @@ -652,6 +660,8 @@ static inline fgf_t fgf_set_order(size_t size) void *filemap_get_entry(struct address_space *mapping, pgoff_t index); struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index, fgf_t fgp_flags, gfp_t gfp); +struct folio *__filemap_get_folio_mpol(struct address_space *mapping, + pgoff_t index, fgf_t fgp_flags, gfp_t gfp, struct mempolicy *mpol); struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index, fgf_t fgp_flags, gfp_t gfp); @@ -710,6 +720,26 @@ static inline struct folio *filemap_grab_folio(struct address_space *mapping, mapping_gfp_mask(mapping)); } +/** + * filemap_grab_folio_mpol - grab a folio from the page cache + * @mapping: The address space to search + * @index: The page index + * @mpol: The mempolicy to apply + * + * Same as filemap_grab_folio(), except that it allocates the folio using + * given memory policy. + * + * Return: A found or created folio. ERR_PTR(-ENOMEM) if no folio is found + * and failed to create a folio. + */ +static inline struct folio *filemap_grab_folio_mpol(struct address_space *mapping, + pgoff_t index, struct mempolicy *mpol) +{ + return __filemap_get_folio_mpol(mapping, index, + FGP_LOCK | FGP_ACCESSED | FGP_CREAT, + mapping_gfp_mask(mapping), mpol); +} + /** * find_get_page - find and get a page reference * @mapping: the address_space to search diff --git a/mm/filemap.c b/mm/filemap.c index d62150418b91..a94022e31974 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -990,8 +990,13 @@ int filemap_add_folio(struct address_space *mapping, struct folio *folio, EXPORT_SYMBOL_GPL(filemap_add_folio); #ifdef CONFIG_NUMA -struct folio *filemap_alloc_folio_noprof(gfp_t gfp, unsigned int order) +struct folio *filemap_alloc_folio_mpol_noprof(gfp_t gfp, unsigned int order, + struct mempolicy *mpol) { + if (mpol) + return folio_alloc_mpol_noprof(gfp, order, mpol, + NO_INTERLEAVE_INDEX, numa_node_id()); + int n; struct folio *folio; @@ -1007,6 +1012,12 @@ struct folio *filemap_alloc_folio_noprof(gfp_t gfp, unsigned int order) } return folio_alloc_noprof(gfp, order); } +EXPORT_SYMBOL(filemap_alloc_folio_mpol_noprof); + +struct folio *filemap_alloc_folio_noprof(gfp_t gfp, unsigned int order) +{ + return filemap_alloc_folio_mpol_noprof(gfp, order, NULL); +} EXPORT_SYMBOL(filemap_alloc_folio_noprof); #endif @@ -1861,11 +1872,12 @@ void *filemap_get_entry(struct address_space *mapping, pgoff_t index) } /** - * __filemap_get_folio - Find and get a reference to a folio. + * __filemap_get_folio_mpol - Find and get a reference to a folio. * @mapping: The address_space to search. * @index: The page index. * @fgp_flags: %FGP flags modify how the folio is returned. * @gfp: Memory allocation flags to use if %FGP_CREAT is specified. + * @mpol: The mempolicy to apply. * * Looks up the page cache entry at @mapping & @index. * @@ -1876,8 +1888,8 @@ void *filemap_get_entry(struct address_space *mapping, pgoff_t index) * * Return: The found folio or an ERR_PTR() otherwise. */ -struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index, - fgf_t fgp_flags, gfp_t gfp) +struct folio *__filemap_get_folio_mpol(struct address_space *mapping, pgoff_t index, + fgf_t fgp_flags, gfp_t gfp, struct mempolicy *mpol) { struct folio *folio; @@ -1947,7 +1959,7 @@ struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index, err = -ENOMEM; if (order > 0) alloc_gfp |= __GFP_NORETRY | __GFP_NOWARN; - folio = filemap_alloc_folio(alloc_gfp, order); + folio = filemap_alloc_folio_mpol_noprof(alloc_gfp, order, mpol); if (!folio) continue; @@ -1978,6 +1990,14 @@ struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index, return ERR_PTR(-ENOENT); return folio; } +EXPORT_SYMBOL(__filemap_get_folio_mpol); + +struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index, + fgf_t fgp_flags, gfp_t gfp) +{ + return __filemap_get_folio_mpol(mapping, index, + fgp_flags, gfp, NULL); +} EXPORT_SYMBOL(__filemap_get_folio); static inline struct folio *find_get_entry(struct xa_state *xas, pgoff_t max, diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 9e9450433fcc..88da732cf2be 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2281,6 +2281,7 @@ struct folio *folio_alloc_mpol_noprof(gfp_t gfp, unsigned int order, return page_rmappable_folio(alloc_pages_mpol_noprof(gfp | __GFP_COMP, order, pol, ilx, nid)); } +EXPORT_SYMBOL(folio_alloc_mpol_noprof); /** * vma_alloc_folio - Allocate a folio for a VMA.