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Mon, 5 Aug 2024 15:09:58 +0800 Subject: Re: [PATCH] mm/z3fold: Add __percpu annotation to *unbuddied pointer in struct z3fold_pool To: Uros Bizjak , , CC: Vitaly Wool , Andrew Morton References: <20240730123445.5875-1-ubizjak@gmail.com> From: Miaohe Lin Message-ID: <607b6854-081d-7d07-b2a8-fbfb004d5723@huawei.com> Date: Mon, 5 Aug 2024 15:09:58 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20240730123445.5875-1-ubizjak@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.173.127.72] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemd200019.china.huawei.com (7.221.188.193) X-Rspamd-Queue-Id: EFEC440025 X-Stat-Signature: ziu5ctgmiq4gkyxipb1gyaa4fi8rubrj X-Rspamd-Server: rspam09 X-Rspam-User: X-HE-Tag: 1722841802-433775 X-HE-Meta: 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 if1xKB0n ++FWK4Y8/NWQpyUOjXv2cjXqq3O4nDGRyrwKVEVqSeP8wRagT6BqEOxNPINQAeFQf/JSm27Ar7atY+DC/2JgPpCUnAkVRwEqW7K9MGHV2iS46xZBMWmg0zONMD/3H2SDPpRiyo9ZN1/QYozo9EfS1XLHVOMTQPQZ6dAQio/PpsmqLLwwRKqttWwN45lPnu08SuEVho71QGaanl5zcEhi8km6G1lYzOywq3Pu0MaSqAEJH6wtvCUHcvGBmRxCX8EnWHleYdZBGT9joRE/fRV+sZ3tcQ9qzVAPUxxgLwk94axa/E0DMC2+65O1jZlO/+cgiUR9CIFyI6I5abJdQr45XZdv1Mw== 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 2024/7/30 20:34, Uros Bizjak wrote: > Compiling z3fold.c results in several sparse warnings: > > z3fold.c:797:21: warning: incorrect type in initializer (different address spaces) > z3fold.c:797:21: expected void const [noderef] __percpu *__vpp_verify > z3fold.c:797:21: got struct list_head * > z3fold.c:852:37: warning: incorrect type in initializer (different address spaces) > z3fold.c:852:37: expected void const [noderef] __percpu *__vpp_verify > z3fold.c:852:37: got struct list_head * > z3fold.c:924:25: warning: incorrect type in assignment (different address spaces) > z3fold.c:924:25: expected struct list_head *unbuddied > z3fold.c:924:25: got void [noderef] __percpu *_res > z3fold.c:930:33: warning: incorrect type in initializer (different address spaces) > z3fold.c:930:33: expected void const [noderef] __percpu *__vpp_verify > z3fold.c:930:33: got struct list_head * > z3fold.c:949:25: warning: incorrect type in argument 1 (different address spaces) > z3fold.c:949:25: expected void [noderef] __percpu *__pdata > z3fold.c:949:25: got struct list_head *unbuddied > z3fold.c:979:25: warning: incorrect type in argument 1 (different address spaces) > z3fold.c:979:25: expected void [noderef] __percpu *__pdata > z3fold.c:979:25: got struct list_head *unbuddied > > Add __percpu annotation to *unbuddied pointer to fix these warnings. > > Signed-off-by: Uros Bizjak > Cc: Vitaly Wool > Cc: Miaohe Lin > Cc: Andrew Morton Reviewed-by: Miaohe Lin Thanks. .