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b=oiT1p+0rswZ3TqaFfijT5eXhTCa6zXXaZN1Xfq9/TIqLQ+0Lg8uZDi5BjTrbjCPsB YOCZLUm8321oCAKOnSXSnyXUDLx0HULdqO/i5U4PlI6OCZBI2Tm+09pQnxYmBdIy0c rjmqjI1Ze1RBpJGRHfmacOIO9kspSPcITgWX9FTFvwQOePM1e9LnBOWF5pyRIk2CJR NO9cVyapDCJQRKLk1KNeh/4f6LCdKPMkWGrx0vnuDRwdWchiT8P+xhyNzSVuchhant BTZh2MNTkO7T8QCDUphwatMl1INqvcEibwsAw5ZGMiMynPeZpazR1UxJeu9a/qx/q+ CxuFwAuhVafGQ== From: SeongJae Park To: SeongJae Park Cc: Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH 01/10] mm/damon: add CONFIG_DAMON_DEBUG_SANITY Date: Sun, 1 Mar 2026 08:31:20 -0800 Message-ID: <20260301163120.92436-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260221193629.19332-2-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 622641C0006 X-Stat-Signature: b5ook4ngrjzya4hmhksr5dyhxn4stg8u X-HE-Tag: 1772382685-484248 X-HE-Meta: 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 Gpo5uRzA foJOGtJD+qeML6wjdHvysAhv6cw8eNV5/i+0ZMMKhzZidAID/0KNeVTB41iAqSW+E5Z6+td+bFqGB58IiUac3KXkQa0HQXPfpFDdR7DYB0S8VhLBxeJu+IeL1h5QMFqwvWvsSiaEswZUkgjJ0hzG+N8jmQuZvMdjtBDXExVcp2oHLZe78vmQI2N9u6reRGE7NmPWXbRW8bWoNeaqvDq/xhqMWAslE7cfZ+PjWSZBeHesObwNCxoFVFI5e7/GCzSERT/OhK7M3elHvXw8XYtQmRqdGQg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sat, 21 Feb 2026 11:36:18 -0800 SeongJae Park wrote: > 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..413adbd8e4089 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 enable on I will s/enable/enabled/ above in the next spin. > + 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 Thanks, SJ