From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3380EC87FCC for ; Thu, 31 Jul 2025 20:41:46 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B149F6B008A; Thu, 31 Jul 2025 16:41:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AC5676B008C; Thu, 31 Jul 2025 16:41:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A02A26B0092; Thu, 31 Jul 2025 16:41:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 87B026B008A for ; Thu, 31 Jul 2025 16:41:45 -0400 (EDT) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 75939C0AA5 for ; Thu, 31 Jul 2025 20:26:42 +0000 (UTC) X-FDA: 83725693044.27.2302097 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf02.hostedemail.com (Postfix) with ESMTP id 7AB1080009 for ; Thu, 31 Jul 2025 20:26:40 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=eDZEfT6t; spf=pass (imf02.hostedemail.com: domain of sidhartha.kumar@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=sidhartha.kumar@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1753993600; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references:dkim-signature; bh=2QWyqOhHxg7JbenWRXhBIzIH7+1hBrT59x3bYZFd4Do=; b=JjLmwZ5bO61wrT5xnJlI3bbdJcMVXAHhxkLTn9wDMCDVX8aUYBhA+4uRVDAp540bzKQBZv N+2uH8N5loagM3nMoP8Jt6+HudYSSvCV71yo4UTRwCMvuoWblX9Ct7vEKOxOeQlMzIHSkc N58BZ8BbVHNbyQ6yG11TrHbQ/q10Bto= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1753993600; a=rsa-sha256; cv=none; b=EilXdQRMO/azjextFB5WnkbRo/ZAT91PgnZ8xHkDvH4/01EUdyxNFIJm6fc0ZfQqnJ6fEA kOZAUihTTvbJXnm/fgXG73GSVyER+tJZx9SVFx/lev0gFxOhyIQkwbkzgWGGh7/wYI8Qsg hrNbjqL4yKZTJpnThQfKyKe08QbNMN8= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=eDZEfT6t; spf=pass (imf02.hostedemail.com: domain of sidhartha.kumar@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=sidhartha.kumar@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 56VIXtDP014858; Thu, 31 Jul 2025 20:26:34 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=corp-2025-04-25; bh=2QWyqOhHxg7JbenWRXhBIzIH7+1hB rT59x3bYZFd4Do=; b=eDZEfT6tx541Eqw+re/pmVqKbWTr5SjDb0gU+1r9Z+uBl XVdYOYw0CXZl28YXccMOfK53L8U9LMivaTYy+uesnq4ieTV9qt0t+JUmw9kfQCiO i1voNJlDTh+SVE6emc6iMOHoMAolxXABIb2WVQxcAisUMmlrKHsOdvR2UGpZe2Dy vbat3arTKuBS4A1GcR96X7uJEhmzbLE2KTNyZDviboIgAc+n+i9/M09WBEKgrMpI av3TUeBLdqGkvD58RYGr+qnQur1CCEbxzyMs+rsgxuG32sM2Y2LKQc9w+jvarmwG CbM8aGq/UIf3XeplsFsifAhOxyIyFFLij9OwAYQLw== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 484q734yjw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 31 Jul 2025 20:26:34 +0000 (GMT) Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 56VIWeMu016723; Thu, 31 Jul 2025 20:26:33 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 484nfka1ue-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 31 Jul 2025 20:26:33 +0000 Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 56VKQXAF031838; Thu, 31 Jul 2025 20:26:33 GMT Received: from sidhakum-ubuntu.osdevelopmeniad.oraclevcn.com (sidhakum-ubuntu.allregionaliads.osdevelopmeniad.oraclevcn.com [100.100.250.108]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 484nfka1tv-1; Thu, 31 Jul 2025 20:26:33 +0000 From: Sidhartha Kumar To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, akpm@linux-foundation.org, willy@infradead.org, vbabka@suse.cz, jannh@google.com, pfalcato@suse.de, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, Sidhartha Kumar Subject: [PATCH] mm/nommu: convert kobjsize() to folios Date: Thu, 31 Jul 2025 20:26:29 +0000 Message-ID: <20250731202629.3729139-1-sidhartha.kumar@oracle.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-31_04,2025-07-31_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 mlxscore=0 phishscore=0 suspectscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2507310147 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzMxMDE0OCBTYWx0ZWRfX0E4moPh1P6rU 1DL+7fLGMhM9r7inHWS65ub9Evp9dAnNcYAN2CGKWbpKzK5JsUYaMXbc2ryUw4Q7m4W3g3sg5WM Dv1biJIjZQvWKnFqDCyqNjU9bKr06Ia+zHXmtsnnfKLAjIkF//s9FHjfKOH1d8Qnsn8s/UPsrgO cxbXNsEm9BPSp+nCGswKTbai79qsNjmkzZof5G3BRoQsJWhUK8maCfO761VwWPO9WHpCkQaFAjP hm4gb0U5EB+Maw4+8Xm9nA1MyGD12+8X0gPSD37jU5RCv/vdZRfpcfPGvy4oIjkkWhkm4E/Wq3/ Iay4qFkIQulazsemIg67CW80LwtOSY6t420SWtIyFLEgMOZFNV180hDFUMlqm4LbjCMYKmiapuD gnJRt3qGxTPAKhezhzMDv4u4xvEnhyPlW1jLN1Gm2zWmHpStqRy4w0/+9ghUyxJco+TTkxwB X-Authority-Analysis: v=2.4 cv=ZO3XmW7b c=1 sm=1 tr=0 ts=688bd17a b=1 cx=c_pps a=zPCbziy225d3KhSqZt3L1A==:117 a=zPCbziy225d3KhSqZt3L1A==:17 a=Wb1JkmetP80A:10 a=yPCof4ZbAAAA:8 a=utxCX54T8dCYmmMssvoA:9 cc=ntf awl=host:12070 X-Proofpoint-GUID: 3hmwJVy3hG4Kb9OM0nCFB0V7TNz6bREp X-Proofpoint-ORIG-GUID: 3hmwJVy3hG4Kb9OM0nCFB0V7TNz6bREp X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 7AB1080009 X-Stat-Signature: wi9bu4rthewo3fuqjkt1sqzm33g4oda4 X-Rspam-User: X-HE-Tag: 1753993600-96004 X-HE-Meta: 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 gpHC2pN3 SIpppc6hMb0oyoNtEJEH0AeKU/LAzf61Eu50NlK2ouxGHee0iHP0Cz6Z5/P9rzs77Outduca3jC8asJkFjeHwROW7pJR00c265uva15fY7bmP1UvhgzuydmfgIhZD8g5Aa822VeYc6Y62EO1BB+6O7cC9ecMgYsL6P/plRlPwKoV+6JGSoSEW3jVlcJwWITezzQotBv2fH5M3q9oBSwjB0B7qGoLGOfIYKCtQ8PkHUDPtBVdWBizHp7cotGCoEyllz4iA5gB1TgFYLaxuhUgpTJGZoc8CtD5XJOPFilTagb7ZuT0= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Simple folio conversion to remove a user of PageSlab() and PageCompound(). Signed-off-by: Sidhartha Kumar --- mm/nommu.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/mm/nommu.c b/mm/nommu.c index 07504d666d6a..a00f8fc316c1 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -64,7 +64,7 @@ const struct vm_operations_struct generic_file_vm_ops = { */ unsigned int kobjsize(const void *objp) { - struct page *page; + struct folio *folio; /* * If the object we have should not have ksize performed on it, @@ -73,22 +73,22 @@ unsigned int kobjsize(const void *objp) if (!objp || !virt_addr_valid(objp)) return 0; - page = virt_to_head_page(objp); + folio = virt_to_folio(objp); /* * If the allocator sets PageSlab, we know the pointer came from * kmalloc(). */ - if (PageSlab(page)) + if (folio_test_slab(folio)) return ksize(objp); /* - * If it's not a compound page, see if we have a matching VMA + * If it's not a compound folio, see if we have a matching VMA * region. This test is intentionally done in reverse order, * so if there's no VMA, we still fall through and hand back - * PAGE_SIZE for 0-order pages. + * PAGE_SIZE for 0-order folios. */ - if (!PageCompound(page)) { + if (!folio_test_large(folio)) { struct vm_area_struct *vma; vma = find_vma(current->mm, (unsigned long)objp); @@ -100,7 +100,7 @@ unsigned int kobjsize(const void *objp) * The ksize() function is only guaranteed to work for pointers * returned by kmalloc(). So handle arbitrary pointers here. */ - return page_size(page); + return folio_size(folio); } void vfree(const void *addr) -- 2.43.0