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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4E597FF885A for ; Tue, 28 Apr 2026 20:47:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B2E7B6B00E3; Tue, 28 Apr 2026 16:47:17 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B05936B00E5; Tue, 28 Apr 2026 16:47:17 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A42D66B00E6; Tue, 28 Apr 2026 16:47:17 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 90F916B00E3 for ; Tue, 28 Apr 2026 16:47:17 -0400 (EDT) Received: from smtpin12.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 62F1F1C05F7 for ; Tue, 28 Apr 2026 20:47:17 +0000 (UTC) X-FDA: 84709149714.12.2E7E9BC Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf07.hostedemail.com (Postfix) with ESMTP id B5FD340005 for ; Tue, 28 Apr 2026 20:47:15 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=q5frIw2F; spf=pass (imf07.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1777409235; 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:in-reply-to:references:references:dkim-signature; bh=EaR8yeTCKZs02E0BVkQWSjQGL8ahxPBCta8dW4kYNk8=; b=MeTAaoqyeKjnoR0iCnwjgkc8LPdUAGLMwGDvLCfi9smGZIdvYg6gnp38vraxVFNI2BblGP dWIOsRJI5zoViCRKZWYCzOMLz8jXU8QECXkr6+WY13VJTYVvZh6EG+mvWq3TphxnqtACaJ fKRMPxCTKtLxGVT+C3Drqg4AAx+uoRs= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=q5frIw2F; spf=pass (imf07.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1777409235; a=rsa-sha256; cv=none; b=W1HbZYxW/8rREKW8lQebF6Y10Y9ufL+NLZ14Aoksc4mbh/9DkLjFKRHI9JbIukVstwOQyn B/o0l2W5cl+/AcZZmKh0zLu3fQrjXw96jeltXX3OXuYhWwtN0fYlfZ59+AT1jWEyfEv75h hwMYe/acizXrDBG0SCDrZW68fnn2vD0= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id E1ABE40A57; Tue, 28 Apr 2026 20:47:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5B72C2BCB7; Tue, 28 Apr 2026 20:47:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777409234; bh=53qqY7PQB/uAj+zPP1JxuvnMAG3AtCcj7DDDSb0K5uw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=q5frIw2F9h3j3tr/ZuaBgEJumVaCnozxARfMNxbPw4TvdEq+hTbY/Bbhgpvs69+l/ yTKrQL1Les69eP+oLRVWYDb3RjY52lt0DqJZx2UHfnvMKIcQN4Bop+LlvMhhKWNQwQ k8i4Iqa74XD1lFdCzKO0KQIlI4njUh2zZ3e8GpFdECDU2W37DghWfakwPnjxAvhRNE wILGlLj/dKqeZZ3Mg+6D5o+EpegtLBtGvQcj21Ti8/XhRYwtj9zdpii8jojEERa7OR IeDg6HWxg3oprDwDV22pRZn6uxfTqGWyxEAge41rkAddkkqo2K77p+dq5iRFd1wVwh pBfLayLsjYHFw== From: Mike Rapoport To: Andrew Morton , David Hildenbrand Cc: Baolin Wang , Barry Song , Dev Jain , Donet Tom , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , Mark Brown , Michal Hocko , Mike Rapoport , Nico Pache , Peter Xu , Ryan Roberts , Sarthak Sharma , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v3 40/54] selftests/mm: hugetlb-mremap: add setup of HugeTLB pages Date: Tue, 28 Apr 2026 23:42:26 +0300 Message-ID: <20260428204240.1924129-41-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260428204240.1924129-1-rppt@kernel.org> References: <20260428204240.1924129-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: B5FD340005 X-Rspamd-Server: rspam06 X-Stat-Signature: yf4rpka1dyywinfkrerxwcbewjy4fd74 X-HE-Tag: 1777409235-892091 X-HE-Meta: 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 8uOcxR6y +UE8byT+sy3l3YGlniRA65qcrp4SH+/00tOocrPAupJucAnnpHOoLA+G+jiBkpW1aW178UlqMgeczh1BFODdWdJ4Amr4ncyQOUcN25LzHMKJn+WDhJ/49b8gORPqfB9P+t3oE66GY4pDj8UBOOuAcvq93iflTQzD9Zp8Hgk/E6DiyRrJMGcQ/XhpiapwugBNA5qXWWDck89m8CjFk7+REp98y1oIynupR31YGbjDPlF2mlxU= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" hugetlb-mremap test fails if there are no free huge pages prepared by a wrapper script. Add setup of HugeTLB pages to the test and make sure that the original settings are restored on the test exit. Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/hugetlb-mremap.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/hugetlb-mremap.c b/tools/testing/selftests/mm/hugetlb-mremap.c index 1c87c39780c5..09241a279ec2 100644 --- a/tools/testing/selftests/mm/hugetlb-mremap.c +++ b/tools/testing/selftests/mm/hugetlb-mremap.c @@ -26,6 +26,7 @@ #include #include "kselftest.h" #include "vm_util.h" +#include "hugepage_settings.h" #define DEFAULT_LENGTH_MB 10UL #define MB_TO_BYTES(x) (x * 1024 * 1024) @@ -108,8 +109,9 @@ static void register_region_with_uffd(char *addr, size_t len) int main(int argc, char *argv[]) { + unsigned long hugepage_size; + int ret = 0, fd, nr; size_t length = 0; - int ret = 0, fd; ksft_print_header(); ksft_set_plan(1); @@ -125,7 +127,14 @@ int main(int argc, char *argv[]) else length = DEFAULT_LENGTH_MB; + hugepage_size = default_huge_page_size(); length = MB_TO_BYTES(length); + length = (length + hugepage_size) & ~(hugepage_size - 1); + nr = length / hugepage_size; + + if (!hugetlb_setup_default(nr)) + ksft_exit_skip("Not enough huge pages\n"); + fd = memfd_create(argv[0], MFD_HUGETLB); if (fd < 0) ksft_exit_fail_msg("Open failed: %s\n", strerror(errno)); -- 2.53.0