From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934422AbdKGAe7 (ORCPT ); Mon, 6 Nov 2017 19:34:59 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:54066 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934177AbdKGAaB (ORCPT ); Mon, 6 Nov 2017 19:30:01 -0500 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Ram Pai" , "Aneesh Kumar K.V" , "Michael Ellerman" Date: Mon, 06 Nov 2017 23:03:02 +0000 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 067/294] powerpc/mm/hash: Free the subpage_prot_table correctly In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16.50-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: "Aneesh Kumar K.V" commit 0da12a7a81f1e2255e89dc783c565e84801475a2 upstream. Fixes: dad6f37c2602e ("powerpc: subpage_protect: Increase the array size to take care of 64TB") Signed-off-by: Aneesh Kumar K.V Tested-by: Ram Pai Signed-off-by: Michael Ellerman Signed-off-by: Ben Hutchings --- arch/powerpc/mm/subpage-prot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/powerpc/mm/subpage-prot.c +++ b/arch/powerpc/mm/subpage-prot.c @@ -36,7 +36,7 @@ void subpage_prot_free(struct mm_struct } } addr = 0; - for (i = 0; i < 2; ++i) { + for (i = 0; i < (TASK_SIZE_USER64 >> 43); ++i) { p = spt->protptrs[i]; if (!p) continue;