From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AECBC435ABA; Mon, 3 Aug 2026 13:46:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785764815; cv=none; b=XQ+jFrx1XjHS3DVhxa5zwWnTwthu1YDZcTzaIXV6EeWEGBJ8mGbFtpfE9q22Sk1pNqO3SiKjadUgsXT5O0E346OxYw7yyNGYCia7mHs/fxr0EMcpCvfFdFDal1hNFKy+bVFs/T2UI5V9nuWghUKipIv0V09EqkvZdh5DzqNziZ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785764815; c=relaxed/simple; bh=s3Ll2/kwUTxV4Droi+8b8swm3V8iQaTImQDpi22W8OM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ZAleeFTxMBef2Dih+xn0Dqu1ulroOEDrLjzv9cGzNlQRTMrhtLKsx427vnUSdMCdGKiJhj8GtW4DlD+sNIfbH96vvXbvlbobZvdWEkATORI3sj5eKKkAkjOtv+HH17dJ+Dcm7kilWXpjteOF/q99mQkzh2VDVS11tOKpdOQ0AzM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=l3gHHJ5k; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="l3gHHJ5k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 263691F00A3A; Mon, 3 Aug 2026 13:46:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785764814; bh=co/3NtBMT+/PSQBj9iUTUY4KxUG/Ig2umyiYC8Q4zFc=; h=From:To:Cc:Subject:Date; b=l3gHHJ5klugoL+0hNmdK4DzQSOkan+yAC9Nal74GzYW31jeLXXi4X1kxjUsloEG8l SQV/uUVas9PpeKXumZD+LIH8wsmrQ+w5m7bVeWjx6s1ZIUrC166lTy6+UNENIpIqFs CdhRw0s+yt1QdDIGmy9R9BvUHFiKKwEPuGUljJIjA/GCmS87UnIHCnwiaP5TLNNyEC XYO3FKA5eanu4mwiXUm9/DynpZX/mmu1Djg2ytvh+FQSwAp2J+/Wp8C9z6s3ndKf8x Te4TJH+fF4NIPaqVg3iNBncEIs3c+CxbDWEqRWPAn3ovLMA2lNnnJGXkLSOt1CnnyY 2+ENQnbqP/o2A== From: SJ Park To: Andrew Morton Cc: SJ Park , stable@vger.kernel.org, Liew Rui Yan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 0/2] mm/damon/{reclaim,lru_sort}: fix commit_inputs infinite hang Date: Mon, 3 Aug 2026 06:46:43 -0700 Message-ID: <20260803134646.16640-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Writing 'Y' to commit_inputs parameters of DAMON_RECLAIM and DAMON_LRU_SORT before the modules were ever turned on causes infinite hang. Fix those. The issue was discovered [1] by Sashiko. [1] https://lore.kernel.org/20260802173021.762-1-sj@kernel.org Changes from RFC - RFC: https://lore.kernel.org/20260802185430.9940-1-sj@kernel.org - Drop RFC tag. SJ Park (2): mm/damon/reclaim: skip damon_call() if ctx has not started mm/damon/lru_sort: skip damon_call() if ctx has not started mm/damon/lru_sort.c | 11 ++++++----- mm/damon/reclaim.c | 11 ++++++----- 2 files changed, 12 insertions(+), 10 deletions(-) base-commit: a96a4f995fbc65238bcbe94e05bcdbec29a54571 -- 2.47.3