From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f44.google.com (mail-qv1-f44.google.com [209.85.219.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9C760434E26 for ; Tue, 7 Jul 2026 16:26:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783441568; cv=none; b=F6Hp1v2QvffECLD6lS4ph4YoXF+t60pp0Eq20rC15eEvCXrd7ubEjKz5DjecnK3w/sqshzTcB2lHgoXArSnr9aFInrCGHLslLzJBG7+x8X+s4V1XAMzGyosY8pQaLyl39+GHHdl8yaqtf3FGoMEw0u484U4cL8Zj7WMCnMW6Ehc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783441568; c=relaxed/simple; bh=lrYSArpP0iVuUgDVG3d1222jafWM2daRLlBprnwN79M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YHpBnTLquCq5pNTSYMuZDra01ZbXuvn1TfK0sMbL3cva1JBzaAb0k5fkO7eQtV2mFL9fpjFm+gpAE+OMTiOnu60KXkAjKNoAeWd+weS8FKIUeYllkaTVqTeMZV5mWC6jQVADX9JONh1ipdVaUxKf62EIbCrxBRqd2jaZsEsX6pc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=gourry.net; spf=pass smtp.mailfrom=gourry.net; dkim=pass (2048-bit key) header.d=gourry.net header.i=@gourry.net header.b=VSYseg+e; arc=none smtp.client-ip=209.85.219.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=gourry.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gourry.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gourry.net header.i=@gourry.net header.b="VSYseg+e" Received: by mail-qv1-f44.google.com with SMTP id 6a1803df08f44-8eeb4508f29so34316036d6.0 for ; Tue, 07 Jul 2026 09:26:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gourry.net; s=google; t=1783441564; x=1784046364; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=Abd7yWEQE6Vuyzvr8uj66ic6dsI9yDvEtRp+r0f0v0Y=; b=VSYseg+exNpfuLKbFDvFmj+FXgMynIyaIJLTmqKE5xqjn4RWfOb4YgC9WUBqaHGIou r0dE4B3Y0O2oC3ByyeA1No08p9fHPItCEXg7wn4B2ke+O/DTBtdwANvowyfAejANR7yG L/jMUvsK1S0TdEcwUbGCsUiYh0RCVKsFCrEVatCGj6+cv+GvddNIuRa2S05KYdqn1/fb Gq8/W4c5zgHkm5jy7FH6iwnVjsl7/l4bphOIL12amaPZEhRct0ugJV7Tm/CESAC+TkJo Tra++G1pnsToJV+fPMk8aqsSKixNZz1TiK86GTer9SCvTKiK3hii9NDa6lTPfNFKPCJq nMxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783441564; x=1784046364; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Abd7yWEQE6Vuyzvr8uj66ic6dsI9yDvEtRp+r0f0v0Y=; b=TBMdK2ZiR0/A0aCk1wpFezbkuNx+IorMZvpeU3QAxQ/QY3K6KTBoP2IGMnIKaqAN7u 0VZQPuYJCqAdFWZItWb9n6evjXr6ly9+G3NK7f3Y6gXM/D70xcG1+W8n0xqA9NaOgsKQ rE4xnUODD/mnHk9DKzd0k3+MhxU8R4A/cBWHrCtGKCTAUbc/NZk7LJnfJy7sc6Xex4Rf JyzXuTGs0qyJw8d/1w4Eh0ZmwVk7CS9pnve7ykEimgegp0nX6e/9A3MgtFoSbH1ptdg7 PuNemWQS3EJAXLjTxWgV0+nxMNY5cU58eCG4AXTsHxJAdPa8pKy9vCm5li/Hb52GIST2 30+A== X-Forwarded-Encrypted: i=1; AHgh+Ropdbidw3wJOeWrdkerUH4DnRZ+U/DWSvtYSPz3rV751ukz0He05CDsTHzhCMPHnga6fglPWgvx1f/Vuhx+2vvK@vger.kernel.org X-Gm-Message-State: AOJu0YxSR2SgUBsYVSs2UVLVleuOZv67m/KoteHbKY8nqfWBAPGvnvDX CoXT+7+0AV5aMI21bjorTZq15aHr7qhSPw/YUSk6DpZ507x/D7jzSP8MGr4WsQM4fKg= X-Gm-Gg: AfdE7cmwRkFF3X3fgk+GNfdmEiKrwxXVed7O+O6XOkxIKErZ0FwqMxS4ZlZBczrvj+H mHpW1hKEQIfAnsjOMkd7TYbeWZk9xtysMJjzxeMelVFKUrP4EfHfkOIRkXx1q02lbBSs/e7b7CC qlIV2PC2Pl/yfDNbsuUrVtEOJKJ76wGo6oJ1KcoSwjJ0ex81cvSEnb4qlqimHvoT6FK7zt5AZe/ NZFh1zSdEM7X0iJrmEJfADAA/FF4PB9dYroqDOkZD7rjzTn/4PeNA8PmAxQMoyawxfhczJZQWxr BTTa0kn/2cVeDYjThf/3DuBm4dQSqGvOjk09unekRDLkSEt8pz4vqaM5kWBAODhXyuBmenpqunJ DC036gG5vnQtpBrJYq/eKCO2I8ls2/OEtJkA7V+1mSRkbWbMXza7xxT/ZH5Q/YdJyIha65OL5kW UtZdHkquNtRB5D6ad2yFHue9vhIR0gpJFBf5grvMMuA7gCsbuRClnFqhJ5eMHZhTsxYEntCNlly oOoixs= X-Received: by 2002:a05:6214:6011:b0:8fd:6de3:bbaa with SMTP id 6a1803df08f44-8fd6de3be6emr28372996d6.64.1783441563961; Tue, 07 Jul 2026 09:26:03 -0700 (PDT) Received: from gourry-fedora-PF4VCD3F (pool-173-79-60-52.washdc.fios.verizon.net. [173.79.60.52]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8f46f306123sm181382626d6.20.2026.07.07.09.26.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jul 2026 09:26:03 -0700 (PDT) Date: Tue, 7 Jul 2026 12:25:58 -0400 From: Gregory Price To: Lorenzo Stoakes Cc: Andrew Morton , Russell King , Dinh Nguyen , Simon Schuster , "James E . J . Bottomley" , Helge Deller , Jarkko Sakkinen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Ian Abbott , H Hartley Sweeten , Lucas Stach , David Airlie , Simona Vetter , Patrik Jakobsson , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Clark , Dmitry Baryshkov , Tomi Valkeinen , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Christian Koenig , Huang Rui , Ankit Agrawal , Alex Williamson , Alexander Viro , Christian Brauner , Dan Williams , Muchun Song , Oscar Salvador , David Hildenbrand , Suren Baghdasaryan , "Liam R . Howlett" , Matthew Wilcox , Marek Szyprowski , Peter Zijlstra , Arnaldo Carvalho de Melo , Namhyung Kim , Masami Hiramatsu , Oleg Nesterov , Steven Rostedt , SeongJae Park , Miaohe Lin , Hugh Dickins , Mike Rapoport , Kees Cook , Paolo Bonzini , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, linux-sgx@vger.kernel.org, etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-tegra@vger.kernel.org, kvm@vger.kernel.org, linux-fsdevel@vger.kernel.org, nvdimm@lists.linux.dev, linux-mm@kvack.org, iommu@lists.linux.dev, linux-perf-users@vger.kernel.org, linux-trace-kernel@vger.kernel.org, kasan-dev@googlegroups.com, damon@lists.linux.dev, Pedro Falcato , Rik van Riel , Harry Yoo , Jann Horn Subject: Re: [PATCH 11/30] mm/vma: introduce and use vmg_pages(), vmg_[start, end]_pgoff() Message-ID: References: Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Jun 29, 2026 at 01:23:22PM +0100, Lorenzo Stoakes wrote: > In the VMA logic we often need to determine the number of pages in the > specified merge range, as well as the start and end page offsets of that > range. > > Introduce and use helpers for these purposes. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes Reviewed-by: Gregory Price