From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 BFAA12D94A7; Sun, 1 Mar 2026 17:43:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772387011; cv=none; b=inEGkv0K35OEKo/5tRZLpBneGKTTq1SeZ2lpgsA8hOGJ2fJ9tYuNHcP1JxppeKyYuyx8E0LJdagVaV3HzyxZ2LFWmzOUPS/f+05uq0NEKo809Gy1ChmHKO8TfC3sDHgvKiOlJUGNMtGrOHAH5g0eVnzrtULjC8kUuzMHRrV2MHk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772387011; c=relaxed/simple; bh=mPwVqtgK5FXF6rtx4eARff1DBvg92YGlSMSnRp8dVoI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lN/l5BobgqkBm2OHlBk+f56dVBK3Fy947ceiyrUTliVTu35O9vaEbKdjls4QyHUyU+ZRwj4Zpo6120sCM2dMXK02E8ZDNNzNkGHIhotubJK/aeZ8ckqEL+8af0t7NIsrBHlHDTwv4HEHFwlI2VA7dQpQXgW+si3EDekzyEOvGjw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=awD+wgeY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="awD+wgeY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71EABC2BCAF; Sun, 1 Mar 2026 17:43:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772387011; bh=mPwVqtgK5FXF6rtx4eARff1DBvg92YGlSMSnRp8dVoI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=awD+wgeY2fdQRhwsH8LJvXvq7v/Lq9nU+S08wkPrKt6smF7TQafJiLWcLfBmKWjPu AVLaVLzmq3IXbsfioes75WoiTrIWkdkkT94bsal5ZqejbVdK/WB7kWDL+ykLOsXvH/ r4QXI5wQCF9fwfYDqBLAPxwKJIwjbpYEcgdQegVxGbmE/a19c6xGggJ5OdxiodE+VN zaWc5qn934v35fVidvaoQT7TBVFFJXrJAST2QeNB6oPiV8Z5XbkOsc6sztFwNECyzg T1OgDj9LoMyInlvSFG3QI42Clv83YPUs+XDnbZdkG0QwQ6Ek07LLhY23nKVAAdZXm6 uYw+M6XFuBCjw== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2 01/10] mm/damon: add CONFIG_DAMON_DEBUG_SANITY Date: Sun, 1 Mar 2026 09:43:16 -0800 Message-ID: <20260301174327.76849-2-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260301174327.76849-1-sj@kernel.org> References: <20260301174327.76849-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add a new build config that will enable additional DAMON sanity checks. It is recommended to be enabled on only development and test setups, since it can impose additional overhead. Signed-off-by: SeongJae Park --- mm/damon/Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/mm/damon/Kconfig b/mm/damon/Kconfig index 8c868f7035fce..34631a44cdecb 100644 --- a/mm/damon/Kconfig +++ b/mm/damon/Kconfig @@ -12,6 +12,17 @@ config DAMON See https://www.kernel.org/doc/html/latest/mm/damon/index.html for more information. +config DAMON_DEBUG_SANITY + bool "Check sanity of DAMON code" + depends on DAMON + help + This enables additional DAMON debugging-purpose sanity checks in + DAMON code. This can be useful for finding bugs, but impose + additional overhead. This is therefore recommended to be enabled on + only development and test setups. + + If unsure, say N. + config DAMON_KUNIT_TEST bool "Test for damon" if !KUNIT_ALL_TESTS depends on DAMON && KUNIT=y -- 2.47.3