From nobody Wed Feb 11 03:24:35 2026 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) (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 922B2153BC6 for ; Mon, 22 Apr 2024 18:12:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.177.32 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713809551; cv=none; b=FCJbeCKzse5XbLf/o4uPKZ4CnezUo6MvZpxF8SIcnG5a+/7eO6ImDOew2U99yf88cBvtE9BqUTzy87QeFiiybc2oX18sD+1eUCh7ffCX75DvIL9Gk2EfOCO6jIwrVXQ4SZXTxedngnVqfbLR2hE3LdAj7oZ7WxZz8WY9yE2oGcw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713809551; c=relaxed/simple; bh=BX/CX5XLOQ7qLBjg4NryO5+WrBzTpVcRIi7GaHqSMLU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=rTBEesdN1nv9+CGordW48w2CJt61h//ffOsSGkAT9+skWdxFkoDpIOHLTSs72SKPYuVD72gHsCB1fpjmqPKObjHU/eb1y2+dJkeHlrbkZFyMAU+1QXeH9HmCLQ6UUzAhGp2FusttRVlga+4yGrT4QoCuekVzQPK69BRjgu3EquI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=oracle.com; spf=pass smtp.mailfrom=oracle.com; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b=LOBzOifv; arc=none smtp.client-ip=205.220.177.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=oracle.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oracle.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="LOBzOifv" Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 43MHmkbB017430; Mon, 22 Apr 2024 18:12:18 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=corp-2023-11-20; bh=h2aJVJArUJppOuNUB8MhAiy4kIo6wvRJzEmWmrN+uiw=; b=LOBzOifvSAOoTq37KKqiDF2zhcN9iBBTXvRPcM4xnr5CbIZ0xBn9ZKiTlwwGhahUl3PZ jiljWwQBoklLhkU2sPjd32TnVNqwx+75VxvR0dAmtUON4wxGmuI5B+jyHGOHeOrEOkFa G9ZTobbQ+mChfY1QUdtUdq/0tiYiVQhj4ZL0a4PqM37SmPXXqfnXfhEFzhZhxogm9Gke tNRk5A1BxF0KdC9YaoI/Z98rTsajp5mtx9a906HKebDXEpALzOyrX/UBK4XaQ+aAAiiq cRazZFHcVdonbotEm+DPr72ZfpyDVsWPKILz31rN3ls8KCba+UlOPtgZG5TCGIx+TG8Q /g== Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.appoci.oracle.com [138.1.37.129]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3xm4g4bcaf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 22 Apr 2024 18:12:18 +0000 Received: from pps.filterd (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 43MGdmcF010840; Mon, 22 Apr 2024 18:12:17 GMT Received: from jfwang-mac.us.oracle.com (dhcp-10-65-139-207.vpn.oracle.com [10.65.139.207]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3xm456e85c-1; Mon, 22 Apr 2024 18:12:17 +0000 From: Jianfeng Wang To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, willy@infradead.org Subject: [PATCH] mm: huge_memory: convert __do_huge_pmd_anonymous_page() to use folios Date: Mon, 22 Apr 2024 11:12:16 -0700 Message-ID: <20240422181216.91938-1-jianfeng.w.wang@oracle.com> X-Mailer: git-send-email 2.42.1 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 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-22_13,2024-04-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 suspectscore=0 bulkscore=0 mlxlogscore=999 spamscore=0 malwarescore=0 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2404010000 definitions=main-2404220076 X-Proofpoint-GUID: NHWZ67OHThxTLmE0aMPA4vFcqYmuu8KF X-Proofpoint-ORIG-GUID: NHWZ67OHThxTLmE0aMPA4vFcqYmuu8KF Content-Type: text/plain; charset="utf-8" Change __do_huge_pmd_anonymous_page() to take folio as input, as its caller has used folio. Save one unnecessary call to compound_head(). Signed-off-by: Jianfeng Wang --- mm/huge_memory.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 89f58c7603b2..83566ee738e0 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -866,10 +866,9 @@ unsigned long thp_get_unmapped_area(struct file *filp,= unsigned long addr, EXPORT_SYMBOL_GPL(thp_get_unmapped_area); =20 static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf, - struct page *page, gfp_t gfp) + struct folio *folio, gfp_t gfp) { struct vm_area_struct *vma =3D vmf->vma; - struct folio *folio =3D page_folio(page); pgtable_t pgtable; unsigned long haddr =3D vmf->address & HPAGE_PMD_MASK; vm_fault_t ret =3D 0; @@ -890,7 +889,7 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct v= m_fault *vmf, goto release; } =20 - clear_huge_page(page, vmf->address, HPAGE_PMD_NR); + clear_huge_page(&folio->page, vmf->address, HPAGE_PMD_NR); /* * The memory barrier inside __folio_mark_uptodate makes sure that * clear_huge_page writes become visible before the set_pmd_at() @@ -918,7 +917,7 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct v= m_fault *vmf, return ret; } =20 - entry =3D mk_huge_pmd(page, vma->vm_page_prot); + entry =3D mk_huge_pmd(&folio->page, vma->vm_page_prot); entry =3D maybe_pmd_mkwrite(pmd_mkdirty(entry), vma); folio_add_new_anon_rmap(folio, vma, haddr); folio_add_lru_vma(folio, vma); @@ -1051,7 +1050,7 @@ vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault= *vmf) count_vm_event(THP_FAULT_FALLBACK); return VM_FAULT_FALLBACK; } - return __do_huge_pmd_anonymous_page(vmf, &folio->page, gfp); + return __do_huge_pmd_anonymous_page(vmf, folio, gfp); } =20 static void insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr, --=20 2.42.1