From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 702822E040D for ; Sat, 25 Apr 2026 22:07:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777154829; cv=none; b=CWVmnQNzHauoL+A/TIJsQzY3LTRJx637EEw6D4/L4p8BHa7iQ+y31hmKbdekC3OavStHWXsdhY/sGOgpKKSXYqa6Hl3X3Rf/cgyrVwlKHVLAOii1bdQajvRfdVfUBIRp6xjFCl0KHnrktFt+peyEa9a1XooKlNkS8ZGl44xXP+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777154829; c=relaxed/simple; bh=IUUFx5S0mLJaMn2xeA+YbprA8Iyhwxqb89JT2UqdT48=; h=Date:To:From:Subject:Message-Id; b=Cop/vABSQn5JebhXnwOiJpNa1RSbACn8SqsXN1Xplw7Pymn7u7NVAj8n/LEnO74a2TuEe8EZUDOScnrLc/NHwKf8Yd5HNRrpgex+LlBVUmFmbWtubbStK95T+/OLkpARBAO6qx2PSbaVT+9QILquQaCqmswXBtcrppoK/KGYMKw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=cK+2lhRh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="cK+2lhRh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 319FCC2BCB0; Sat, 25 Apr 2026 22:07:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1777154829; bh=IUUFx5S0mLJaMn2xeA+YbprA8Iyhwxqb89JT2UqdT48=; h=Date:To:From:Subject:From; b=cK+2lhRhgcUzsNXMjZTFTxJsR6yqu676S2LfW1juREVglgoCLhuT+b1mrwpHXGFBU RR41mEYgNa5/5yrC/s8uDNWiRB1eYZfZ6gzMaIM9w3pfAQzTihuLGLC310IW0KYN43 FkrPWj4btkEb8KC0j1dZX499PAJF0Y2FsdYWcZiE= Date: Sat, 25 Apr 2026 15:07:08 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,akpm@linux-foundation.org From: Andrew Morton Subject: [to-be-updated] selftests-mm-remove-read_only_thp_for_fs-code-from-guard-regions.patch removed from -mm tree Message-Id: <20260425220709.319FCC2BCB0@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: selftests/mm: remove READ_ONLY_THP_FOR_FS code from guard-regions has been removed from the -mm tree. Its filename was selftests-mm-remove-read_only_thp_for_fs-code-from-guard-regions.patch This patch was dropped because an updated version will be issued ------------------------------------------------------ From: Zi Yan Subject: selftests/mm: remove READ_ONLY_THP_FOR_FS code from guard-regions Date: Thu, 23 Apr 2026 22:49:15 -0400 Any file system with large folio support and the supported orders include PMD_ORDER can be used. There is no need to open a file with read-only. Link: https://lore.kernel.org/20260424024915.28758-13-ziy@nvidia.com Signed-off-by: Zi Yan Acked-by: David Hildenbrand (Arm) Cc: Al Viro Cc: Baolin Wang Cc: Barry Song Cc: Chris Mason Cc: Christian Brauner Cc: David Sterba Cc: Dev Jain Cc: Jan Kara Cc: Lance Yang Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Matthew Wilcox (Oracle) Cc: Michal Hocko Cc: Mike Rapoport Cc: Nico Pache Cc: Ryan Roberts Cc: Shuah Khan Cc: Song Liu Cc: Suren Baghdasaryan Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/guard-regions.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) --- a/tools/testing/selftests/mm/guard-regions.c~selftests-mm-remove-read_only_thp_for_fs-code-from-guard-regions +++ a/tools/testing/selftests/mm/guard-regions.c @@ -2203,17 +2203,6 @@ TEST_F(guard_regions, collapse) if (variant->backing != ANON_BACKED) ASSERT_EQ(ftruncate(self->fd, size), 0); - /* - * We must close and re-open local-file backed as read-only for - * CONFIG_READ_ONLY_THP_FOR_FS to work. - */ - if (variant->backing == LOCAL_FILE_BACKED) { - ASSERT_EQ(close(self->fd), 0); - - self->fd = open(self->path, O_RDONLY); - ASSERT_GE(self->fd, 0); - } - ptr = mmap_(self, variant, NULL, size, PROT_READ, 0, 0); ASSERT_NE(ptr, MAP_FAILED); @@ -2237,9 +2226,10 @@ TEST_F(guard_regions, collapse) /* * Now collapse the entire region. This should fail in all cases. * - * The madvise() call will also fail if CONFIG_READ_ONLY_THP_FOR_FS is - * not set for the local file case, but we can't differentiate whether - * this occurred or if the collapse was rightly rejected. + * The madvise() call will also fail if the file system does not support + * large folio or the supported orders do not include PMD_ORDER for the + * local file case, but we can't differentiate whether this occurred or + * if the collapse was rightly rejected. */ EXPECT_NE(madvise(ptr, size, MADV_COLLAPSE), 0); _ Patches currently in -mm which might be from ziy@nvidia.com are