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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31250E7717F for ; Thu, 12 Dec 2024 14:39:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6FFBD6B0082; Thu, 12 Dec 2024 09:39:46 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6AE8B6B0088; Thu, 12 Dec 2024 09:39:46 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5285D6B0089; Thu, 12 Dec 2024 09:39:46 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 34A806B0082 for ; Thu, 12 Dec 2024 09:39:46 -0500 (EST) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id D3FE61A1DB0 for ; Thu, 12 Dec 2024 14:39:45 +0000 (UTC) X-FDA: 82886565468.16.9CED6FB Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf05.hostedemail.com (Postfix) with ESMTP id C814110001C for ; Thu, 12 Dec 2024 14:38:56 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=IdUdehga; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf05.hostedemail.com: domain of david@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=david@redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1734014360; a=rsa-sha256; cv=none; b=JVBN4IoJYi1YEDT1wOI7ixlW13c+xqCZu4fKrIhjWapLNzPRusQHx+QsQkuQBVBL0GAVYp BBWiDBiVRx7Md8/6viiWPo+FuHWrcDRxpV+WyhBHGlCXSfV+Kg9ipqHm6gjYqMzxREO4n0 SzvzVfwe9INGYS0Mxc1Fxtl2BR5yWDc= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=IdUdehga; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf05.hostedemail.com: domain of david@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=david@redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1734014360; 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=UwNw+blZMVrOtfhFIMSMQGiRfXt0yk9wU2iYrCdxIZA=; b=r1YT+XUVBYTD+HHE2f7Z+m+/0Gq3egczyVsFY4v5ZXArKcfgSK8Xgw3XdskhqOf+mrR70s gVceQLnzu7VvPW/JpUJyYkkRb6s3gdRwdvKPhP7Jf70h621PSVHimgzjpV2udPWEd127rP YeEvC/t/IkyjMWa/2ghaR5MoA8vsSU8= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1734014382; h=from:from: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:autocrypt:autocrypt; bh=UwNw+blZMVrOtfhFIMSMQGiRfXt0yk9wU2iYrCdxIZA=; b=IdUdehgaw0k/bUU3ppj8H1Us8Dxak8AW1glvEEVuQIaUsUfK5WRUOnXtCwGZqgmFdVogkT idm0MWqAPtxTg8JZybqSXQHzN0zuGJm+zz9ZkRjJxYzT0S0IYvq2R4+lFgekfCYCuq2Ny5 6p5G4ckbiRM2cWk56aD4DufetsZfK3Y= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-446-Nngc8uGMPCeOMj5un5hCrQ-1; Thu, 12 Dec 2024 09:39:41 -0500 X-MC-Unique: Nngc8uGMPCeOMj5un5hCrQ-1 X-Mimecast-MFC-AGG-ID: Nngc8uGMPCeOMj5un5hCrQ Received: by mail-wr1-f72.google.com with SMTP id ffacd0b85a97d-385d6ee042eso480069f8f.0 for ; Thu, 12 Dec 2024 06:39:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734014380; x=1734619180; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:from:references:cc:to:subject:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=UwNw+blZMVrOtfhFIMSMQGiRfXt0yk9wU2iYrCdxIZA=; b=ZeGr/uxErQGZmb01w/FYyPftbGGtxBgnYsE5+Qc3RLRpseMEA0r+tVpt+AkmpmSZvd 5qjo99hLA5FL5yfqnwIVHIeWflJkKyFblilhXHpjb5XMDn6w3P+Nc/orWg3R66dxWLnp jRp6+Vr/PTTUqjmZHVK4ZJp1jmFyYa9OuQlPTcufU0JmWCB4NvMsqpG6E/e/G+/OxENA fjKnAMhrrT71naj/wMjgjrjXIxM98drggCfTr1yyhk4O+w7jSeY0rE7K58O4PFptpPXb DYCkHGQWGYrXvT8hgwZjU6OBrLjBmA5MSC6TzP7wm1kTvoNU1CnH34qZccue9Tz0BAxh 9R3g== X-Forwarded-Encrypted: i=1; AJvYcCVIoQh+nYrtnjYNKqtJc0x+LevVrGfVEZMg/Vj0HIGm8LpvsJsVCe1lbtfYZRZsQagam4KGg/EsHg==@kvack.org X-Gm-Message-State: AOJu0Yzxtc2IMcm0xv97NTgVtT7vrpMK66g9WERgwt+OA6348sgGLpK2 DrafrhbNO+cPZI1xYbXrySyBz9F0PcxLYEwgjDx5yMZJl56ibJxVdzKLlCXO9vMjE+d7Coo7kj2 1u6PS5rWZ5mHy+N/7CoVAECRhOAVU6UYJzEenArVsNohZ/a9L X-Gm-Gg: ASbGncsup5lymclwNij1gd6Gz9Q5v+chnGL5ikOBPJ2zvbWpgGQ6amqAfAPGvecT+JY gLLzq5sd0jTxUwu7Uvlx5DMuz1t8fQrXGtBChEH0IJiDIszHVJDsP+ZzmG3ryr7ifL+0f4AnHOm Q6Ixph7ke1xexWdwy/rsJKK3ekEBw0rCfcNUI9Y2nE6X3uFP+W0cbCNSU5ZEoNLvMyLKXBkaKN2 jA52M3peXondutJPIgakNEiHhXnBXIWz7M+kiD+25K24l3nVVwImnQmqyFoHkQ/gcNRK3upLoom o++66cnS6Z6hczgXjH4l1yY8+hkw0RlxFVF2jgqYPE/2/HKytSOx93NdGXdy6espV0dKvwUF9iY jNOCC3Rub X-Received: by 2002:a5d:64ad:0:b0:386:4a0d:bb23 with SMTP id ffacd0b85a97d-387876850a3mr3389911f8f.11.1734014379839; Thu, 12 Dec 2024 06:39:39 -0800 (PST) X-Google-Smtp-Source: AGHT+IFSNh/7nmI+6pdEypbS0GeYd+DayjGYUFksoeQEIN3pORa6nII/NZE607Pw0OIRioJw8I/tDw== X-Received: by 2002:a5d:64ad:0:b0:386:4a0d:bb23 with SMTP id ffacd0b85a97d-387876850a3mr3389885f8f.11.1734014379483; Thu, 12 Dec 2024 06:39:39 -0800 (PST) Received: from ?IPV6:2003:cb:c716:2b00:720b:42a1:ba95:a3db? (p200300cbc7162b00720b42a1ba95a3db.dip0.t-ipconnect.de. [2003:cb:c716:2b00:720b:42a1:ba95:a3db]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38782514e6asm4233799f8f.79.2024.12.12.06.39.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Dec 2024 06:39:38 -0800 (PST) Message-ID: Date: Thu, 12 Dec 2024 15:39:37 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm: convert partially_mapped set/clear operations to be atomic To: Usama Arif , akpm@linux-foundation.org, linux-mm@kvack.org Cc: hannes@cmpxchg.org, riel@surriel.com, shakeel.butt@linux.dev, roman.gushchin@linux.dev, yuzhao@google.com, npache@redhat.com, baohua@kernel.org, ryan.roberts@arm.com, rppt@kernel.org, willy@infradead.org, cerasuolodomenico@gmail.com, ryncsn@gmail.com, corbet@lwn.net, linux-kernel@vger.kernel.org, kernel-team@meta.com References: <20241212135447.3530047-1-usamaarif642@gmail.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20241212135447.3530047-1-usamaarif642@gmail.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: LmHUDY7kq48tDfaHNbq8fQoAGBN8LGSTDMyPLs-Kroo_1734014380 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: ndmjzuk3i963zscbjj7f7j4zbo8dc99f X-Rspam-User: X-Rspamd-Queue-Id: C814110001C X-Rspamd-Server: rspam08 X-HE-Tag: 1734014336-915341 X-HE-Meta: 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 hOH64XSr 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000652, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 12.12.24 14:54, Usama Arif wrote: > Other page flags in the 2nd page, like PG_hwpoison and > PG_anon_exclusive can get modified concurrently. Hence, > partially_mapped flags need to be changed atomically. > > Fixes: 8422acdc97ed ("mm: introduce a pageflag for partially mapped folios") > Reported-by: David Hildenbrand > Signed-off-by: Usama Arif Fortunately we have the test-before-set checks already in place. Acked-by: David Hildenbrand > --- > include/linux/page-flags.h | 12 ++---------- > mm/huge_memory.c | 8 ++++---- > 2 files changed, 6 insertions(+), 14 deletions(-) > > diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h > index cf46ac720802..691506bdf2c5 100644 > --- a/include/linux/page-flags.h > +++ b/include/linux/page-flags.h > @@ -862,18 +862,10 @@ static inline void ClearPageCompound(struct page *page) > ClearPageHead(page); > } > FOLIO_FLAG(large_rmappable, FOLIO_SECOND_PAGE) > -FOLIO_TEST_FLAG(partially_mapped, FOLIO_SECOND_PAGE) > -/* > - * PG_partially_mapped is protected by deferred_split split_queue_lock, > - * so its safe to use non-atomic set/clear. > - */ > -__FOLIO_SET_FLAG(partially_mapped, FOLIO_SECOND_PAGE) > -__FOLIO_CLEAR_FLAG(partially_mapped, FOLIO_SECOND_PAGE) > +FOLIO_FLAG(partially_mapped, FOLIO_SECOND_PAGE) > #else > FOLIO_FLAG_FALSE(large_rmappable) > -FOLIO_TEST_FLAG_FALSE(partially_mapped) > -__FOLIO_SET_FLAG_NOOP(partially_mapped) > -__FOLIO_CLEAR_FLAG_NOOP(partially_mapped) > +FOLIO_FLAG_FALSE(partially_mapped) > #endif > > #define PG_head_mask ((1UL << PG_head)) > diff --git a/mm/huge_memory.c b/mm/huge_memory.c > index 2da5520bfe24..120cd2cdc614 100644 > --- a/mm/huge_memory.c > +++ b/mm/huge_memory.c > @@ -3583,7 +3583,7 @@ int split_huge_page_to_list_to_order(struct page *page, struct list_head *list, > !list_empty(&folio->_deferred_list)) { > ds_queue->split_queue_len--; > if (folio_test_partially_mapped(folio)) { > - __folio_clear_partially_mapped(folio); > + folio_clear_partially_mapped(folio); > mod_mthp_stat(folio_order(folio), > MTHP_STAT_NR_ANON_PARTIALLY_MAPPED, -1); > } > @@ -3695,7 +3695,7 @@ bool __folio_unqueue_deferred_split(struct folio *folio) > if (!list_empty(&folio->_deferred_list)) { > ds_queue->split_queue_len--; > if (folio_test_partially_mapped(folio)) { > - __folio_clear_partially_mapped(folio); > + folio_clear_partially_mapped(folio); > mod_mthp_stat(folio_order(folio), > MTHP_STAT_NR_ANON_PARTIALLY_MAPPED, -1); > } > @@ -3739,7 +3739,7 @@ void deferred_split_folio(struct folio *folio, bool partially_mapped) > spin_lock_irqsave(&ds_queue->split_queue_lock, flags); > if (partially_mapped) { > if (!folio_test_partially_mapped(folio)) { > - __folio_set_partially_mapped(folio); > + folio_set_partially_mapped(folio); > if (folio_test_pmd_mappable(folio)) > count_vm_event(THP_DEFERRED_SPLIT_PAGE); > count_mthp_stat(folio_order(folio), MTHP_STAT_SPLIT_DEFERRED); > @@ -3832,7 +3832,7 @@ static unsigned long deferred_split_scan(struct shrinker *shrink, > } else { > /* We lost race with folio_put() */ > if (folio_test_partially_mapped(folio)) { > - __folio_clear_partially_mapped(folio); > + folio_clear_partially_mapped(folio); > mod_mthp_stat(folio_order(folio), > MTHP_STAT_NR_ANON_PARTIALLY_MAPPED, -1); > } -- Cheers, David / dhildenb