From patchwork Wed Jun 19 19:15:53 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joe Perches X-Patchwork-Id: 2751691 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D689EC0AB1 for ; Wed, 19 Jun 2013 19:16:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A1A4B2023F for ; Wed, 19 Jun 2013 19:16:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD53F201F6 for ; Wed, 19 Jun 2013 19:16:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757409Ab3FSTP5 (ORCPT ); Wed, 19 Jun 2013 15:15:57 -0400 Received: from perches-mx.perches.com ([206.117.179.246]:44716 "EHLO labridge.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757296Ab3FSTP4 (ORCPT ); Wed, 19 Jun 2013 15:15:56 -0400 Received: from [173.51.221.202] (account joe@perches.com HELO [192.168.1.152]) by labridge.com (CommuniGate Pro SMTP 5.0.14) with ESMTPA id 21097892; Wed, 19 Jun 2013 12:15:55 -0700 Message-ID: <1371669353.2038.45.camel@joe-AO722> Subject: [trivial PATCH] treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks From: Joe Perches To: Jiri Kosina Cc: Lars Ellenberg , Hoang-Nam Nguyen , Christoph Raisch , Roland Dreier , Sean Hefty , Hal Rosenstock , Divy Le Ray , Dimitris Michailidis , "James E.J. Bottomley" , Chris Mason , Theodore Ts'o , Andreas Dilger , Steven Whitehouse , Jamal Hadi Salim , "David S. Miller" , drbd-user@lists.linbit.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, linux-scsi@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, cluster-devel Date: Wed, 19 Jun 2013 12:15:53 -0700 X-Mailer: Evolution 3.6.4-0ubuntu1 Mime-Version: 1.0 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Don't emit OOM warnings when k.alloc calls fail when there there is a v.alloc immediately afterwards. Converted a kmalloc/vmalloc with memset to kzalloc/vzalloc. Signed-off-by: Joe Perches Acked-by: "Theodore Ts'o" --- drivers/block/drbd/drbd_bitmap.c | 2 +- drivers/infiniband/hw/ehca/ipz_pt_fn.c | 3 ++- drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c | 2 +- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 2 +- drivers/scsi/cxgbi/libcxgbi.h | 8 ++++---- fs/btrfs/send.c | 2 +- fs/ext4/super.c | 4 ++-- fs/gfs2/dir.c | 2 +- net/sched/sch_choke.c | 3 ++- 9 files changed, 15 insertions(+), 13 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 64fbb83..b12c11e 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -393,7 +393,7 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want) * we must not block on IO to ourselves. * Context is receiver thread or dmsetup. */ bytes = sizeof(struct page *)*want; - new_pages = kzalloc(bytes, GFP_NOIO); + new_pages = kzalloc(bytes, GFP_NOIO | __GFP_NOWARN); if (!new_pages) { new_pages = __vmalloc(bytes, GFP_NOIO | __GFP_HIGHMEM | __GFP_ZERO, diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c index 62c71fa..8d59451 100644 --- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c +++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c @@ -222,7 +222,8 @@ int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue *queue, queue->small_page = NULL; /* allocate queue page pointers */ - queue->queue_pages = kzalloc(nr_of_pages * sizeof(void *), GFP_KERNEL); + queue->queue_pages = kzalloc(nr_of_pages * sizeof(void *), + GFP_KERNEL | __GFP_NOWARN); if (!queue->queue_pages) { queue->queue_pages = vzalloc(nr_of_pages * sizeof(void *)); if (!queue->queue_pages) { diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c index 4058b85..76ae0999 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c @@ -1157,7 +1157,7 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new, */ void *cxgb_alloc_mem(unsigned long size) { - void *p = kzalloc(size, GFP_KERNEL); + void *p = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); if (!p) p = vzalloc(size); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 5a3256b..5d5f268 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -1133,7 +1133,7 @@ out: release_firmware(fw); */ void *t4_alloc_mem(size_t size) { - void *p = kzalloc(size, GFP_KERNEL); + void *p = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); if (!p) p = vzalloc(size); diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 80fa99b..8135f04 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -658,11 +658,11 @@ static inline u32 cxgbi_tag_nonrsvd_bits(struct cxgbi_tag_format *tformat, static inline void *cxgbi_alloc_big_mem(unsigned int size, gfp_t gfp) { - void *p = kmalloc(size, gfp); + void *p = kzalloc(size, gfp | __GFP_NOWARN); + if (!p) - p = vmalloc(size); - if (p) - memset(p, 0, size); + p = vzalloc(size); + return p; } diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index ff40f1c..f7499ed 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -219,7 +219,7 @@ static int fs_path_ensure_buf(struct fs_path *p, int len) len = PAGE_ALIGN(len); if (p->buf == p->inline_buf) { - tmp_buf = kmalloc(len, GFP_NOFS); + tmp_buf = kmalloc(len, GFP_NOFS | __GFP_NOWARN); if (!tmp_buf) { tmp_buf = vmalloc(len); if (!tmp_buf) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 85b3dd6..0f94f55 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -162,7 +162,7 @@ void *ext4_kvmalloc(size_t size, gfp_t flags) { void *ret; - ret = kmalloc(size, flags); + ret = kmalloc(size, flags | __GFP_NOWARN); if (!ret) ret = __vmalloc(size, flags, PAGE_KERNEL); return ret; @@ -172,7 +172,7 @@ void *ext4_kvzalloc(size_t size, gfp_t flags) { void *ret; - ret = kzalloc(size, flags); + ret = kzalloc(size, flags | __GFP_NOWARN); if (!ret) ret = __vmalloc(size, flags | __GFP_ZERO, PAGE_KERNEL); return ret; diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 147fcc5..9ba9e0c 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -1867,7 +1867,7 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len, memset(&rlist, 0, sizeof(struct gfs2_rgrp_list)); - ht = kzalloc(size, GFP_NOFS); + ht = kzalloc(size, GFP_NOFS | __GFP_NOWARN); if (ht == NULL) ht = vzalloc(size); if (!ht) diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index ef53ab8..ddd73cb 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -438,7 +438,8 @@ static int choke_change(struct Qdisc *sch, struct nlattr *opt) if (mask != q->tab_mask) { struct sk_buff **ntab; - ntab = kcalloc(mask + 1, sizeof(struct sk_buff *), GFP_KERNEL); + ntab = kcalloc(mask + 1, sizeof(struct sk_buff *), + GFP_KERNEL | __GFP_NOWARN); if (!ntab) ntab = vzalloc((mask + 1) * sizeof(struct sk_buff *)); if (!ntab)