From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3819B39891F; Sat, 30 May 2026 08:54:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780131270; cv=none; b=js7vTCjNTSCIOQzpxAerqfOr2KXsj1xv5aGT5tkE5ajjNGzrJ6EUZnUlsJP4kc4u/6Y3YRlg14hNYB3NPYYpoZmBFuRnALiatvVX0FzFDBuRXbepIfNHiYHVKn+kRHdP6ZrnwmL72f0Gw0T8DSX0Tj769pHEATGNa/QyCUCxbV0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780131270; c=relaxed/simple; bh=7AFxGFpqpXha7B0L7GvZQHPfwNdV8fJ4fRBDaQhzt6U=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=N2aM9FsRGjEGLbgsmqCCCToPd9EPE5QcNwluUX3X+u7DQR1O3kvjovbl8BRzNNwTnlfcVMiWeOqcfJRUOBOpC54yF4To0SEvdwhneTjcTw207fOIuFysuplfnroLUCjz9fYiDebWkmLnqkF2R3oQoxmDQryNaq0IZ2CdSLs09EA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=ST3ciQrG; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="ST3ciQrG" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 360FC3515; Sat, 30 May 2026 01:54:22 -0700 (PDT) Received: from cesw-amp-gbt-1s-m12830-01.blr.arm.com (cesw-amp-gbt-1s-m12830-01.blr.arm.com [10.164.195.31]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id C20223F632; Sat, 30 May 2026 01:54:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1780131267; bh=7AFxGFpqpXha7B0L7GvZQHPfwNdV8fJ4fRBDaQhzt6U=; h=From:To:Cc:Subject:Date:From; b=ST3ciQrGj+9vjXS8XcFXi7/AzY57d1bE6O1K9IIOvFGYFYKOtsG96xPkfXdoZ6OP9 BV1HHZj+PW726+WmowHvLmI1VO3ZThLu2Z9a7mC9hVpykULPvd/hytd3USMJu107Jz BO7CdWUzAKYJKAVoF353j3hvS2qMmabx12xx2698= From: Dev Jain To: akpm@linux-foundation.org, liam@infradead.org, ljs@kernel.org, jgg@ziepe.ca, leon@kernel.org, david@kernel.org, shuah@kernel.org Cc: Dev Jain , vbabka@kernel.org, jannh@google.com, pfalcato@suse.de, balbirs@nvidia.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linux-kselftest@vger.kernel.org, usama.arif@linux.dev, ryan.roberts@arm.com, anshuman.khandual@arm.com Subject: [PATCH v2 0/2] mm/hmm: A fix and a selftest Date: Sat, 30 May 2026 08:54:10 +0000 Message-ID: <20260530085413.1270139-1-dev.jain@arm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Patch 1 fixes a stale warning present from the time when only migration softleaf entries were supported at the PMD level. Patch 2 adds some code into hmm-tests.c which exercises the pagemap path for PMD device-private entries. --- Applies on mm-unstable (404fb4f38e8f). Dev Jain (2): fs/proc/task_mmu: do not warn on seeing non-migration pmd entry selftests/mm/hmm-tests: test pagemap reads of PMD device-private entries fs/proc/task_mmu.c | 1 - tools/testing/selftests/mm/hmm-tests.c | 29 ++++++++++++++++++++++++++ 2 files changed, 29 insertions(+), 1 deletion(-) -- 2.43.0