From nobody Tue Dec 16 21:10:39 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 522D230CDBC for ; Wed, 22 Oct 2025 08:29:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761121795; cv=none; b=BtLwYq6SAIUUMjNLS+5H3cSHtPjikj6Y5xhT3r+rxq03nF3r/X9u3fJ7feleE95/gOvve87W0JAMsEWePNeXMQww+QlJ1/HXD9JDKD6Do0ek6DDhfg4BwTpzu3dHWl/C62OhvlraqfueCzOw/V0TdkMgGRtSroXb90nmB8WKrNw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761121795; c=relaxed/simple; bh=UdXEkbwZwh7s3Ab/yIsSNM8JqfKTQQu6KsOh09Fx8rY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IzQrytikEcJahW1VjbHwGeSV2ON9lQbeXFK3E5oimrh4hRQ1DpLJ9Z4/hcoKnuMgBvpUvE4drDyqxV09lypjTfk643nNTIFA6yPUY6R2PL0zLf6+8AMTo7C4nwefzARq2TQgGVQsfaOSkXb9PvM2I1jigx6QwV9oM0TCYH76KFA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=UjK9zXw/; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="UjK9zXw/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761121795; x=1792657795; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=UdXEkbwZwh7s3Ab/yIsSNM8JqfKTQQu6KsOh09Fx8rY=; b=UjK9zXw/eytzTwZyyhGKfqqgFh+AF++3kYe1+CF03DX98gxXu47DJ81j hljmmvxifS5YMgWO8C3L8VkZVtwTQqWrKbrLUwfckqrYw8EBdDimnzYrF zFGeRFyayTGsuh0vT6OdkRuXHxmZRBlxD2BVPjTNB5s+S/dVFsfKGmFS5 T4pfnyBLFYB4xbRHCk1CnvLAhtlBU297DVHJHhCvA1y35yWHJFcqQWwwh UaZLHNKk/icovtgbhQlVoqDZ74NebN+NgjSWIpdxlRi9Dkd4BLo9QAfg9 dXyUkj2//YBo3HQAVisImUjuuIEkFVsKpzUQzYjsrq4gUkWwcPM2hIYft Q==; X-CSE-ConnectionGUID: F6X8nrv6Sg+7ZvqqWHWrhA== X-CSE-MsgGUID: cZqKt3JHQD27dB8fRspAFw== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="80700155" X-IronPort-AV: E=Sophos;i="6.19,246,1754982000"; d="scan'208";a="80700155" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2025 01:29:54 -0700 X-CSE-ConnectionGUID: xpCywqjkQey1za499pJiyQ== X-CSE-MsgGUID: sVb55JoAQ0aCTSAQaUEdMQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,246,1754982000"; d="scan'208";a="183516428" Received: from allen-box.sh.intel.com ([10.239.159.52]) by fmviesa007.fm.intel.com with ESMTP; 22 Oct 2025 01:29:47 -0700 From: Lu Baolu To: Joerg Roedel , Will Deacon , Robin Murphy , Kevin Tian , Jason Gunthorpe , Jann Horn , Vasant Hegde , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Alistair Popple , Peter Zijlstra , Uladzislau Rezki , Jean-Philippe Brucker , Andy Lutomirski , Yi Lai , David Hildenbrand , Lorenzo Stoakes , "Liam R . Howlett" , Andrew Morton , Vlastimil Babka , Mike Rapoport , Michal Hocko , Matthew Wilcox , Vinicius Costa Gomes Cc: iommu@lists.linux.dev, security@kernel.org, x86@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v7 6/8] x86/mm: Use pagetable_free() Date: Wed, 22 Oct 2025 16:26:32 +0800 Message-ID: <20251022082635.2462433-7-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251022082635.2462433-1-baolu.lu@linux.intel.com> References: <20251022082635.2462433-1-baolu.lu@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The kernel's memory management subsystem provides a dedicated interface, pagetable_free(), for freeing page table pages. Updates two call sites to use pagetable_free() instead of the lower-level __free_page() or free_pages(). This improves code consistency and clarity, and ensures the correct freeing mechanism is used. Signed-off-by: Lu Baolu Reviewed-by: Jason Gunthorpe Acked-by: David Hildenbrand Acked-by: Mike Rapoport (Microsoft) --- arch/x86/mm/init_64.c | 2 +- arch/x86/mm/pat/set_memory.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 0e4270e20fad..3d9a5e4ccaa4 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1031,7 +1031,7 @@ static void __meminit free_pagetable(struct page *pag= e, int order) free_reserved_pages(page, nr_pages); #endif } else { - __free_pages(page, order); + pagetable_free(page_ptdesc(page)); } } =20 diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c index 970981893c9b..fffb6ef1997d 100644 --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -429,7 +429,7 @@ static void cpa_collapse_large_pages(struct cpa_data *c= pa) =20 list_for_each_entry_safe(ptdesc, tmp, &pgtables, pt_list) { list_del(&ptdesc->pt_list); - __free_page(ptdesc_page(ptdesc)); + pagetable_free(ptdesc); } } =20 --=20 2.43.0