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From: Johannes Thumshirn <jthumshirn@suse.de>
To: Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Damien Le Moal <damien.lemoal@wdc.com>,
	Christoph Hellwig <hch@lst.de>,
	Johannes Thumshirn <jthumshirn@suse.de>
Subject: [PATCH 6/6] rds: ib: use kmalloc_array_node
Date: Wed, 27 Sep 2017 10:20:38 +0200	[thread overview]
Message-ID: <20170927082038.3782-7-jthumshirn@suse.de> (raw)
In-Reply-To: <20170927082038.3782-1-jthumshirn@suse.de>

Now that we have a NUMA-aware version of kmalloc_array() we can use it
instead of kmalloc_node() without an overflow check in the size
calculation.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 net/rds/ib_fmr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/rds/ib_fmr.c b/net/rds/ib_fmr.c
index 86ef907067bb..e0f70c4051b6 100644
--- a/net/rds/ib_fmr.c
+++ b/net/rds/ib_fmr.c
@@ -139,8 +139,8 @@ static int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev,
 		return -EINVAL;
 	}
 
-	dma_pages = kmalloc_node(sizeof(u64) * page_cnt, GFP_ATOMIC,
-				 rdsibdev_to_node(rds_ibdev));
+	dma_pages = kmalloc_array_node(sizeof(u64), page_cnt, GFP_ATOMIC,
+				       rdsibdev_to_node(rds_ibdev));
 	if (!dma_pages) {
 		ib_dma_unmap_sg(dev, sg, nents, DMA_BIDIRECTIONAL);
 		return -ENOMEM;
-- 
2.13.5

WARNING: multiple messages have this Message-ID
From: Johannes Thumshirn <jthumshirn@suse.de>
To: Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Damien Le Moal <damien.lemoal@wdc.com>,
	Christoph Hellwig <hch@lst.de>,
	Johannes Thumshirn <jthumshirn@suse.de>
Subject: [PATCH 6/6] rds: ib: use kmalloc_array_node
Date: Wed, 27 Sep 2017 10:20:38 +0200	[thread overview]
Message-ID: <20170927082038.3782-7-jthumshirn@suse.de> (raw)
In-Reply-To: <20170927082038.3782-1-jthumshirn@suse.de>

Now that we have a NUMA-aware version of kmalloc_array() we can use it
instead of kmalloc_node() without an overflow check in the size
calculation.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 net/rds/ib_fmr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/rds/ib_fmr.c b/net/rds/ib_fmr.c
index 86ef907067bb..e0f70c4051b6 100644
--- a/net/rds/ib_fmr.c
+++ b/net/rds/ib_fmr.c
@@ -139,8 +139,8 @@ static int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev,
 		return -EINVAL;
 	}
 
-	dma_pages = kmalloc_node(sizeof(u64) * page_cnt, GFP_ATOMIC,
-				 rdsibdev_to_node(rds_ibdev));
+	dma_pages = kmalloc_array_node(sizeof(u64), page_cnt, GFP_ATOMIC,
+				       rdsibdev_to_node(rds_ibdev));
 	if (!dma_pages) {
 		ib_dma_unmap_sg(dev, sg, nents, DMA_BIDIRECTIONAL);
 		return -ENOMEM;
-- 
2.13.5

--
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  parent reply	other threads:[~2017-09-27  8:21 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-27  8:20 [PATCH 0/6] Add kmalloc_array_node() and kcalloc_node() Johannes Thumshirn
2017-09-27  8:20 ` Johannes Thumshirn
2017-09-27  8:20 ` [PATCH 1/6] mm: add kmalloc_array_node and kcalloc_node Johannes Thumshirn
2017-09-27  8:20   ` Johannes Thumshirn
2017-09-27  8:42   ` Michal Hocko
2017-09-27  8:42     ` Michal Hocko
2017-09-27  9:03     ` Christopher Lameter
2017-09-27  9:16       ` Michal Hocko
2017-09-27  9:16         ` Michal Hocko
2017-09-27  8:56   ` Christopher Lameter
2017-09-29 12:00   ` Vlastimil Babka
2017-09-29 12:00     ` Vlastimil Babka
2017-09-27  8:20 ` [PATCH 2/6] block: use kmalloc_array_node Johannes Thumshirn
2017-09-27  8:20   ` Johannes Thumshirn
2017-09-27  8:57   ` Christopher Lameter
2017-09-27  8:20 ` [PATCH 3/6] IB/qib: " Johannes Thumshirn
2017-09-27  8:20   ` Johannes Thumshirn
2017-09-27  8:58   ` Christopher Lameter
2017-09-27  8:20 ` [PATCH 4/6] IB/rdmavt: " Johannes Thumshirn
2017-09-27  8:20   ` Johannes Thumshirn
2017-09-27  9:04   ` Christopher Lameter
2017-09-27  8:20 ` [PATCH 5/6] mm, mempool: " Johannes Thumshirn
2017-09-27  8:20   ` Johannes Thumshirn
2017-09-27  9:04   ` Christopher Lameter
2017-09-27  8:20 ` Johannes Thumshirn [this message]
2017-09-27  8:20   ` [PATCH 6/6] rds: ib: " Johannes Thumshirn
2017-09-27  9:03   ` Christopher Lameter

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