From nobody Fri Dec 19 20:36:18 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 5EA553191B2 for ; Tue, 14 Oct 2025 13:08:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760447288; cv=none; b=oKMCJtmAIKrm3g98fP26/W65cGoXeIxtA+RVgo2E2M/E0Pl8jugcKJu7EFDAtawpXpAHFYRmNqRZEx0xn1dKnSRdcJToKTmNLNn2y6vqKQP8pjCx2E3kTJ/eLxsquXMIPQyWiiXPQ2rjsRD72kVbhvQZCqCHOvwW2c8xEzRChsk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760447288; c=relaxed/simple; bh=J/aPVU8JbHxYyfCDcj6K7oo52RWRfEFFerOeOF+XTLA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WjnEdOPzTg2i8bJJs8RO3zpgFucYC2j1XtwiqAlnBZFLAua0ra7NyC/88oXwNoLb0JOiwxaHJjcZOrBntAUtwJE0WGpsPd4bUSldSGGTFE22uTe8RY4TCkG6/XKr80cmH73xs91pglfP97zNxklC4wmCJ6iNpY/I3d3+HubZ2zw= 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=YT2T7mSx; arc=none smtp.client-ip=198.175.65.21 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="YT2T7mSx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760447288; x=1791983288; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=J/aPVU8JbHxYyfCDcj6K7oo52RWRfEFFerOeOF+XTLA=; b=YT2T7mSxoBXSgHsoSk1C3TgDcczA/RNkUsO4sfaLjdBmWlrnC7VSaD+5 ecvjMePp+Fm0oetjp7ZFFGmzlMej4vyw6sv3yYNJZB9K9OHyafzCd+GNG NouXztDedsASjskgvaUiVnEcUIh3ombJOvyjOQgOiiOcdSUCkFaHy4PL6 LCCco+QtwLIQTT4Lhleu1AYQD5PkWvj9LPugLUngslxYsjQ/DJWLAnDhm VyJ2k3JmnHuK2gka/yUULOKv8nWvak0rJC0/F7B078VD0imq4WRjHliaw 1MnmCgRRXdK6DCwBspnr/mI0Bu6qpHpxDBghfjrrxNqZ3cXmw/DgShSfR g==; X-CSE-ConnectionGUID: +TqURtZeQ7im1nYf3KuHeA== X-CSE-MsgGUID: KVBDti22REy9vHOppMDJTQ== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="62515443" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="62515443" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2025 06:08:07 -0700 X-CSE-ConnectionGUID: EIHOS615R1+i2QYo8Z03rQ== X-CSE-MsgGUID: UH1eyTeURm+UWSuYvSl9nw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,228,1754982000"; d="scan'208";a="182675673" Received: from allen-box.sh.intel.com ([10.239.159.52]) by fmviesa010.fm.intel.com with ESMTP; 14 Oct 2025 06:07:59 -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 Cc: iommu@lists.linux.dev, security@kernel.org, x86@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v6 5/7] x86/mm: Use pagetable_free() Date: Tue, 14 Oct 2025 21:04:35 +0800 Message-ID: <20251014130437.1090448-6-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251014130437.1090448-1-baolu.lu@linux.intel.com> References: <20251014130437.1090448-1-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 d2d54b8c4dbb..4366e7d11afd 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