From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59790 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752344AbcEAWP6 (ORCPT ); Sun, 1 May 2016 18:15:58 -0400 Subject: Patch "drm/nouveau/core: use vzalloc for allocating ramht" has been added to the 4.5-stable tree To: imirkin@alum.mit.edu, bskeggs@redhat.com, gregkh@linuxfoundation.org, svenjoac@gmx.de Cc: , From: Date: Sun, 01 May 2016 15:15:56 -0700 Message-ID: <146214095614215@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/nouveau/core: use vzalloc for allocating ramht to the 4.5-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-nouveau-core-use-vzalloc-for-allocating-ramht.patch and it can be found in the queue-4.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 78a121d82da8aff3aca2a6a1c40f5061081760f0 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Sun, 6 Mar 2016 16:06:06 -0500 Subject: drm/nouveau/core: use vzalloc for allocating ramht From: Ilia Mirkin commit 78a121d82da8aff3aca2a6a1c40f5061081760f0 upstream. Most calls to nvkm_ramht_new use 0x8000 as the size. This results in a fairly sizeable chunk of memory to be allocated, which may not be available with kzalloc. Since this is done fairly rarely (once per channel), use vzalloc instead. Signed-off-by: Ilia Mirkin Signed-off-by: Ben Skeggs Cc: Sven Joachim Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/nouveau/nvkm/core/ramht.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/gpu/drm/nouveau/nvkm/core/ramht.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/ramht.c @@ -131,7 +131,7 @@ nvkm_ramht_del(struct nvkm_ramht **pramh struct nvkm_ramht *ramht = *pramht; if (ramht) { nvkm_gpuobj_del(&ramht->gpuobj); - kfree(*pramht); + vfree(*pramht); *pramht = NULL; } } @@ -143,8 +143,8 @@ nvkm_ramht_new(struct nvkm_device *devic struct nvkm_ramht *ramht; int ret, i; - if (!(ramht = *pramht = kzalloc(sizeof(*ramht) + (size >> 3) * - sizeof(*ramht->data), GFP_KERNEL))) + if (!(ramht = *pramht = vzalloc(sizeof(*ramht) + + (size >> 3) * sizeof(*ramht->data)))) return -ENOMEM; ramht->device = device; Patches currently in stable-queue which might be from imirkin@alum.mit.edu are queue-4.5/drm-nouveau-core-use-vzalloc-for-allocating-ramht.patch