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([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id a19-20020a056a0011d300b006e740d23674sm194098pfu.140.2024.03.22.13.53.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Mar 2024 13:53:13 -0700 (PDT) Message-ID: <8d0b5818-b3dc-4211-8cdf-92e7b76e0fe5@roeck-us.net> Date: Fri, 22 Mar 2024 13:53:11 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 07/11] mm: vmalloc: Offload free_vmap_area_lock lock Content-Language: en-US To: Uladzislau Rezki Cc: linux-mm@kvack.org, Andrew Morton , LKML , Baoquan He , Lorenzo Stoakes , Christoph Hellwig , Matthew Wilcox , "Liam R . Howlett" , Dave Chinner , "Paul E . McKenney" , Joel Fernandes , Oleksiy Avramchenko References: <20240102184633.748113-1-urezki@gmail.com> <20240102184633.748113-8-urezki@gmail.com> From: Guenter Roeck Autocrypt: addr=linux@roeck-us.net; keydata= xsFNBE6H1WcBEACu6jIcw5kZ5dGeJ7E7B2uweQR/4FGxH10/H1O1+ApmcQ9i87XdZQiB9cpN RYHA7RCEK2dh6dDccykQk3bC90xXMPg+O3R+C/SkwcnUak1UZaeK/SwQbq/t0tkMzYDRxfJ7 nyFiKxUehbNF3r9qlJgPqONwX5vJy4/GvDHdddSCxV41P/ejsZ8PykxyJs98UWhF54tGRWFl 7i1xvaDB9lN5WTLRKSO7wICuLiSz5WZHXMkyF4d+/O5ll7yz/o/JxK5vO/sduYDIlFTvBZDh gzaEtNf5tQjsjG4io8E0Yq0ViobLkS2RTNZT8ICq/Jmvl0SpbHRvYwa2DhNsK0YjHFQBB0FX IdhdUEzNefcNcYvqigJpdICoP2e4yJSyflHFO4dr0OrdnGLe1Zi/8Xo/2+M1dSSEt196rXaC kwu2KgIgmkRBb3cp2vIBBIIowU8W3qC1+w+RdMUrZxKGWJ3juwcgveJlzMpMZNyM1jobSXZ0 VHGMNJ3MwXlrEFPXaYJgibcg6brM6wGfX/LBvc/haWw4yO24lT5eitm4UBdIy9pKkKmHHh7s jfZJkB5fWKVdoCv/omy6UyH6ykLOPFugl+hVL2Prf8xrXuZe1CMS7ID9Lc8FaL1ROIN/W8Vk BIsJMaWOhks//7d92Uf3EArDlDShwR2+D+AMon8NULuLBHiEUQARAQABzTJHdWVudGVyIFJv ZWNrIChMaW51eCBhY2NvdW50KSA8bGludXhAcm9lY2stdXMubmV0PsLBgQQTAQIAKwIbAwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4ACGQEFAlVcphcFCRmg06EACgkQyx8mb86fmYFg0RAA nzXJzuPkLJaOmSIzPAqqnutACchT/meCOgMEpS5oLf6xn5ySZkl23OxuhpMZTVX+49c9pvBx hpvl5bCWFu5qC1jC2eWRYU+aZZE4sxMaAGeWenQJsiG9lP8wkfCJP3ockNu0ZXXAXwIbY1O1 c+l11zQkZw89zNgWgKobKzrDMBFOYtAh0pAInZ9TSn7oA4Ctejouo5wUugmk8MrDtUVXmEA9 7f9fgKYSwl/H7dfKKsS1bDOpyJlqhEAH94BHJdK/b1tzwJCFAXFhMlmlbYEk8kWjcxQgDWMu GAthQzSuAyhqyZwFcOlMCNbAcTSQawSo3B9yM9mHJne5RrAbVz4TWLnEaX8gA5xK3uCNCeyI sqYuzA4OzcMwnnTASvzsGZoYHTFP3DQwf2nzxD6yBGCfwNGIYfS0i8YN8XcBgEcDFMWpOQhT Pu3HeztMnF3HXrc0t7e5rDW9zCh3k2PA6D2NV4fews9KDFhLlTfCVzf0PS1dRVVWM+4jVl6l HRIAgWp+2/f8dx5vPc4Ycp4IsZN0l1h9uT7qm1KTwz+sSl1zOqKD/BpfGNZfLRRxrXthvvY8 BltcuZ4+PGFTcRkMytUbMDFMF9Cjd2W9dXD35PEtvj8wnEyzIos8bbgtLrGTv/SYhmPpahJA l8hPhYvmAvpOmusUUyB30StsHIU2LLccUPPOwU0ETofVZwEQALlLbQeBDTDbwQYrj0gbx3bq 7kpKABxN2MqeuqGr02DpS9883d/t7ontxasXoEz2GTioevvRmllJlPQERVxM8gQoNg22twF7 pB/zsrIjxkE9heE4wYfN1AyzT+AxgYN6f8hVQ7Nrc9XgZZe+8IkuW/Nf64KzNJXnSH4u6nJM J2+Dt274YoFcXR1nG76Q259mKwzbCukKbd6piL+VsT/qBrLhZe9Ivbjq5WMdkQKnP7gYKCAi pNVJC4enWfivZsYupMd9qn7Uv/oCZDYoBTdMSBUblaLMwlcjnPpOYK5rfHvC4opxl+P/Vzyz 6WC2TLkPtKvYvXmdsI6rnEI4Uucg0Au/Ulg7aqqKhzGPIbVaL+U0Wk82nz6hz+WP2ggTrY1w ZlPlRt8WM9w6WfLf2j+PuGklj37m+KvaOEfLsF1v464dSpy1tQVHhhp8LFTxh/6RWkRIR2uF I4v3Xu/k5D0LhaZHpQ4C+xKsQxpTGuYh2tnRaRL14YMW1dlI3HfeB2gj7Yc8XdHh9vkpPyuT nY/ZsFbnvBtiw7GchKKri2gDhRb2QNNDyBnQn5mRFw7CyuFclAksOdV/sdpQnYlYcRQWOUGY HhQ5eqTRZjm9z+qQe/T0HQpmiPTqQcIaG/edgKVTUjITfA7AJMKLQHgp04Vylb+G6jocnQQX JqvvP09whbqrABEBAAHCwWUEGAECAA8CGwwFAlVcpi8FCRmg08MACgkQyx8mb86fmYHNRQ/+ J0OZsBYP4leJvQF8lx9zif+v4ZY/6C9tTcUv/KNAE5leyrD4IKbnV4PnbrVhjq861it/zRQW cFpWQszZyWRwNPWUUz7ejmm9lAwPbr8xWT4qMSA43VKQ7ZCeTQJ4TC8kjqtcbw41SjkjrcTG wF52zFO4bOWyovVAPncvV9eGA/vtnd3xEZXQiSt91kBSqK28yjxAqK/c3G6i7IX2rg6pzgqh hiH3/1qM2M/LSuqAv0Rwrt/k+pZXE+B4Ud42hwmMr0TfhNxG+X7YKvjKC+SjPjqp0CaztQ0H nsDLSLElVROxCd9m8CAUuHplgmR3seYCOrT4jriMFBtKNPtj2EE4DNV4s7k0Zy+6iRQ8G8ng QjsSqYJx8iAR8JRB7Gm2rQOMv8lSRdjva++GT0VLXtHULdlzg8VjDnFZ3lfz5PWEOeIMk7Rj trjv82EZtrhLuLjHRCaG50OOm0hwPSk1J64R8O3HjSLdertmw7eyAYOo4RuWJguYMg5DRnBk WkRwrSuCn7UG+qVWZeKEsFKFOkynOs3pVbcbq1pxbhk3TRWCGRU5JolI4ohy/7JV1TVbjiDI HP/aVnm6NC8of26P40Pg8EdAhajZnHHjA7FrJXsy3cyIGqvg9os4rNkUWmrCfLLsZDHD8FnU mDW4+i+XlNFUPUYMrIKi9joBhu18ssf5i5Q= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: B667E10000B X-Stat-Signature: 9uwnr51b7om5uugag4tn4psugi7hr4xw X-Rspam-User: X-HE-Tag: 1711140795-867720 X-HE-Meta: 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 Wy23T3lq H+fC3TcPrq++xol6Pp/hSsXpUoroO1gQ524DWyBuG5cdkbhMbscE1CE73L1GxSeU44h1AAbY3+OR8cfWbUyxXzLMCvMJIoLiupYhZlmvg3BQ+5AS/NJzMbwF1PlpMXlRrdd8pGjNs7tFgUqapfb2pdwd53EnOenG61nt5+JRNxmDb0u/ZM+av1IijmprvfI1gn2iEZuAkAeyjcoj3ybcCFZsR/olCh58VE0xi+BO6XpPXEGVoUxViuoDHPsSD0fG78rSD0i/pwVcWI40ZY9M9m8nH+w== 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: On 3/22/24 12:03, Uladzislau Rezki wrote: [ ... ] > > diff --git a/mm/vmalloc.c b/mm/vmalloc.c > index 22aa63f4ef63..0d77d171b5d9 100644 > --- a/mm/vmalloc.c > +++ b/mm/vmalloc.c > @@ -2343,6 +2343,9 @@ struct vmap_area *find_vmap_area(unsigned long addr) > struct vmap_area *va; > int i, j; > > + if (unlikely(!vmap_initialized)) > + return NULL; > + > /* > * An addr_to_node_id(addr) converts an address to a node index > * where a VA is located. If VA spans several zones and passed > > > Could you please test it? > That fixes the problem. Thanks, Guenter