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bh=eZnlanUf64i7B1h2EayrDWaBYC02Orq3PWtev+6wUVU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ozF/zla8N+wuHiDl4LAVU1crVf3wQFOQwFfB7d0lA2Y5HvxfNab2pvaTKfbhmJdSU W6bK4+w1kEH4ciueTBuxkMOPHOghVgcAzq+7ZQg1wL0VxEuITSUlZZHORVNV0vTiDN sN8ju76U+QIKAtJK8QLfPlV7Zb84jeJbIEc1XrNrbpEjG5sl93aI+ez+Nn9XIHnLtT UN4Vy5PiPDTRbb4xv2JtC3EjSvMCfAcIgej5XhAP6rqMXIvG+ybAfZrLKOfWMHNRXu VE2lbRaq5Iw/WOVyi4W2HPZSgxPpX0DRWQuW4G0brI5l449KhubASY1Dx1dbmDSRbT u4ZSvSGXkuapg== From: SJ Park To: Karthikeyan KS Cc: SJ Park , akpm@linux-foundation.org, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/damon/sysfs: make next_update_jiffies per-kdamond Date: Sat, 17 Oct 2026 09:01:42 -0700 Message-ID: <20261017160143.102364-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261017063152.994182-1-karthiproffesional@gmail.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: B5D92140003 X-Stat-Signature: zp7hk6at8rt46g1pd55b86otkaihtsiq X-HE-Tag: 1792252911-37543 X-HE-Meta: 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 JG/++Hg1 JqFcfsFWX5vT4JYj8+rm45BL6xzUiVNQGM9qz7xcxlZdLobMiRqZD8Pis6qok/ycaAjOzLZDLDCcJHdKFt07Tpwh/WkJbnTxGCJkcYmXUopn2jxIo4Rg13pZcc1XrSPXDGXq/msxzW2jEmGJC/f/W6j9/s7nPWzzJXv7LM+8f3ashIf7nWlgWHN6XxmyfcZH1k3BS8iZQwpum1civGL/KdoDbY3lVHHua0jGmL31MJZXbpkNuwbu2q7+D2azIBLSIPdIoxh0WlBik7zW9E/PJNk/hcnKowRmj1Lkgs5Uaz1ZG+yA= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Karthikeyan, On Sat, 17 Oct 2026 06:31:52 +0000 Karthikeyan KS wrote: > damon_sysfs_next_update_jiffies was a single static variable shared by > all kdamonds, so with two or more kdamonds using refresh_ms their > threads race on it in damon_sysfs_repeat_call_fn(). Thank you for this patch. However, I think the same issue is already fixed by another patch [1]. Could you please check? [1] https://lore.kernel.org/20260902002725.108635-5-sj@kernel.org Thanks, SJ [...]