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 30548323D for ; Sat, 7 Dec 2024 02:07:23 +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=1733537244; cv=none; b=Z18C4ZCBUfNMWQR6LmmaKnjLAQ9ukRPuw1lArHLVptL+fVGyj3Mu/JnfnPU3WhWS/ECczip2jZfPFY9H/PWr9RiRmgd717D3/2ecbE5OSbnWUVy7y+BDeOawsZO+3LgdxGDCatWbgvXzAO660hWgteRW9QyOUJS5/KcYnansPbE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733537244; c=relaxed/simple; bh=hZiO6fOzmYaYekSA2YutRCAgDUhpm2yp3yHjfcNMSzQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tXpSG52autXZ2G41MXBGl5qfYrS2aaPzT92alhPgUcqWBhCDGCr7pvrk0+W3RFKL0lldFTlkOr31NGRp2SH4NDSNJqccERUMfmyq3QVNxGP5jkbR9IRXYZxU44BMUpNHZazALXpxdpRrOb00QpTeI6CtEcClBCTxHQ+tB75/L+E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nuoE86Ek; 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="nuoE86Ek" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 467F2C4CED1; Sat, 7 Dec 2024 02:07:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733537243; bh=hZiO6fOzmYaYekSA2YutRCAgDUhpm2yp3yHjfcNMSzQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nuoE86EkZmNdwAPK6aRHkBB/UUGRwxKxryPD0xizyhaaHrRWAMyH6ryT9gvcT+lYC ojRTl5WTQu2z1NTasW9jft4oSD4k5AHysq/3Cza4IhHs/5Z9esCdJdGBqG0dW4C1Kk qee53dni1W+tM1C2I5j/uHm74535w6+l5JNy/pchmJ87axiUull89MbRR/4JEC/xnF 3Dv892Jn6HHUP5co50B3wPvhmL03AG5mpjuB4PvsG52VK2GaVV9/Spi12sXuQFUXRS WccxoYQTz32mIjiq1TCRV9QVRoOdkrYBPkxrSdN3kBxsa9fFqkDO04gjdo17QQ9qt5 z/BR/o/OrRH4Q== From: Sasha Levin To: stable@vger.kernel.org Cc: SeongJae Park , Sasha Levin Subject: Re: [PATCH 6.1.y] mm/damon/vaddr: fix issue in damon_va_evenly_split_region() Date: Fri, 6 Dec 2024 21:07:21 -0500 Message-ID: <20241206185549-31e3750dbe0c0bae@stable.kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241206175346.114805-1-sj@kernel.org> References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit [ Sasha's backport helper bot ] Hi, Found matching upstream commit: f3c7a1ede435e2e45177d7a490a85fb0a0ec96d1 WARNING: Author mismatch between patch and found commit: Backport author: SeongJae Park Commit author: Zheng Yejian Status in newer kernel trees: 6.12.y | Not found 6.6.y | Not found 6.1.y | Not found Note: The patch differs from the upstream commit: --- 1: f3c7a1ede435e ! 1: 624d3f8e31238 mm/damon/vaddr: fix issue in damon_va_evenly_split_region() @@ Commit message And add 'nr_piece == 1' check in damon_va_evenly_split_region() for better code readability and add a corresponding kunit testcase. - This patch (of 2): According to the logic of damon_va_evenly_split_region(), currently @@ Commit message Cc: Ye Weihua Cc: Signed-off-by: Andrew Morton + (cherry picked from commit f3c7a1ede435e2e45177d7a490a85fb0a0ec96d1) - ## mm/damon/tests/vaddr-kunit.h ## -@@ mm/damon/tests/vaddr-kunit.h: static void damon_test_split_evenly(struct kunit *test) + ## mm/damon/vaddr-test.h ## +@@ mm/damon/vaddr-test.h: static void damon_test_split_evenly(struct kunit *test) damon_test_split_evenly_fail(test, 0, 100, 0); damon_test_split_evenly_succ(test, 0, 100, 10); damon_test_split_evenly_succ(test, 5, 59, 5); --- Results of testing on various branches: | Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-6.1.y | Success | Success |