From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-182.mta1.migadu.com (out-182.mta1.migadu.com [95.215.58.182]) (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 A21683806DD; Mon, 6 Jul 2026 17:10:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783357847; cv=none; b=bV0u/dJxUUpr1q1oVl7lijjXQx6ZSn13pTVYxJOCFV9TxNpvL/NdPhI+tR64qGZtinXp0qtuoRrz6IcGnXrxLUz33l1+sKaH5Egaj8gk2bAKju2VfrXLUBOQ5Wk1oNUdXxHKCX9DMJcZcQ9FmVwpZBstocKL5jUJzXNIFue8iCU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783357847; c=relaxed/simple; bh=lexlrdR5XCaYSzYYJR9iX5sgVi1vNb6A6aVID1RadSg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZNt0tyop97rja8iNN8/iglME/aLxxMiXHzXKJgGvSAQ/NNS8iXO4BisDWrzHKCQzn8Eott8q4S+EW/Xm34CUdmkznKN7EjRJX3AQF8avh8PxZ8AA4lgjOVyohu3nTnEf9BZIEEld48rKAo7hwCdKsJx10gpuMzDl/4H/4grSn3k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=jp/aWUSg; arc=none smtp.client-ip=95.215.58.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="jp/aWUSg" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1783357843; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=O8B4kLd9O4yTubQHP6cxhqJtyGSLfRF2Xu8qr9txj38=; b=jp/aWUSgAz66O8jyAVernzctnnaGA5zaWiqwTWPjEwmghu3+EwHNEA3IgUk4FM+7ghh5o6 QzLKKdUmDlvGk+bUmK1Xzn15aSRkeL23VIUUMGJ8RAc8U1StucG3/xf7C9lUHANhuAbfh5 AEqtfZIE5Pf3iXapFCqOsIqg7RzHT7o= From: Usama Arif To: Nico Pache Cc: Usama Arif , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Zi Yan , Baolin Wang , "Liam R. Howlett" , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Shuah Khan Subject: Re: [PATCH 3/8] mm/khugepaged: introduce a count_collapse_event() helper Date: Mon, 6 Jul 2026 10:10:31 -0700 Message-ID: <20260706171032.3487318-1-usama.arif@linux.dev> In-Reply-To: <20260706154500.39178-4-npache@redhat.com> References: Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT On Mon, 6 Jul 2026 09:44:50 -0600 Nico Pache wrote: > Provide a simple helper function to help reduce a often used, and > duplicate pattern across the khugepaged code. > > When collapsing to a PMD we need to record a vm_event and the mTHP_stat > event. When doing mTHP collapse we only update the mTHP stat. > > Signed-off-by: Nico Pache > --- > mm/khugepaged.c | 36 ++++++++++++++++++------------------ > 1 file changed, 18 insertions(+), 18 deletions(-) > Acked-by: Usama Arif