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 1082B304BC6 for ; Mon, 5 Jan 2026 17:52:26 +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=1767635547; cv=none; b=OP7tNfoP3w10VbdVYvW2BFeI7y17ARWs69s8B6QALiSSQHLRpERBvv9W8gH9P83HzCQomo53l/H5XvZDbAyZwgCv4+LKSdkxGg1+/+rfQnO3pafBCzBdkl8C5rTFrSU9xkzIsNneW1LwXyVd49bUcmxZSquTAzN88xDJIbqo8Pk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767635547; c=relaxed/simple; bh=MSuIA19HOzhzqaqXHUG3XbdQVfIKvnX8zde7DxytebY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=h/uig4/mCW77toTa0UE5B3cf+eNu3KXns2czZFVQitADLUOq65ROgqZ9oSN7YZS2eMmNsL1jgCbLvWTdWRMwK1TP1BPOCUvvDWzoIuMExN8lpcN/0WbrMsQYHPhkX1MiRK8wkCloQjHNUiUMqlibYEe07LlZeMOdj/w83I7yTf4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZNYgQQIC; 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="ZNYgQQIC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29ADBC116D0; Mon, 5 Jan 2026 17:52:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767635545; bh=MSuIA19HOzhzqaqXHUG3XbdQVfIKvnX8zde7DxytebY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZNYgQQICKpu3uxo/VDp5mf3QVxEdwfNO9G9n/2uN21KngkZlV0TiqVOnheKU7b3pW ES/ZZuDU0b2SKMBb3ceCI4gI3VQIwyxehSz7JX2DifSuOtsfGYz/2cnrX2ICb2iRmd suo9UYnamMpHbYz9/m5ZViLdMBvBQgmfwuchfQg4RaAxaFQzQeszX9omdIWBTeK2yR N0AdVTv54HfDzzBmNEgWibpBJ/HVV+A7s74Co828/MZrBG5QKgHP/KGIGsLkG+cmLm tk0gaIO38BhPsQVYiRpbEsixOF89WyZr4cVe7wP/K7h8d4VIYkx9ZTUv5rZU0PIHa2 KW7eOCuSlwD3w== From: Sasha Levin To: stable@vger.kernel.org Cc: David Hildenbrand , "Ritesh Harjani (IBM)" , Christophe Leroy , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Andrew Morton , Sasha Levin Subject: [PATCH 6.6.y 3/3] powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages Date: Mon, 5 Jan 2026 12:52:12 -0500 Message-ID: <20260105175213.2699504-3-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260105175213.2699504-1-sashal@kernel.org> References: <2026010547-ninth-clinking-d127@gregkh> <20260105175213.2699504-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: David Hildenbrand [ Upstream commit 0da2ba35c0d532ca0fe7af698b17d74c4d084b9a ] Let's properly adjust BALLOON_MIGRATE like the other drivers. Note that the INFLATE/DEFLATE events are triggered from the core when enqueueing/dequeueing pages. This was found by code inspection. Link: https://lkml.kernel.org/r/20251021100606.148294-3-david@redhat.com Fixes: fe030c9b85e6 ("powerpc/pseries/cmm: Implement balloon compaction") Signed-off-by: David Hildenbrand Reviewed-by: Ritesh Harjani (IBM) Cc: Christophe Leroy Cc: Madhavan Srinivasan Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- arch/powerpc/platforms/pseries/cmm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 5e0a718d1be7..8c1f9721756e 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -532,6 +532,7 @@ static int cmm_migratepage(struct balloon_dev_info *b_dev_info, spin_lock_irqsave(&b_dev_info->pages_lock, flags); balloon_page_insert(b_dev_info, newpage); + __count_vm_event(BALLOON_MIGRATE); b_dev_info->isolated_pages--; spin_unlock_irqrestore(&b_dev_info->pages_lock, flags); -- 2.51.0