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(parent: bb17d7a) | patch
IB/mlx4: Use vmalloc for WR buffers when needed
authorWengang Wang <wen.gang.wang@oracle.com>
Thu, 8 Oct 2015 05:27:04 +0000 (13:27 +0800)
committerDoug Ledford <dledford@redhat.com>
Tue, 8 Dec 2015 21:48:10 +0000 (16:48 -0500)
commit7dff57824fbe8d787a278c8c10b509214eaed331
treec5305adcf047948e7eb5d368b951c47940a1869ctree | snapshot
parentbb17d7a8a6ee5e55f4b55b216e74709b442e1bb1commit | diff
IB/mlx4: Use vmalloc for WR buffers when needed

There are several hits that WR buffer allocation(kmalloc) failed.
It failed at order 3 and/or 4 contigous pages allocation. At the same time
there are actually 100MB+ free memory but well fragmented.
So try vmalloc when kmalloc failed.

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/hw/mlx4/qp.c diff | blob | history
drivers/infiniband/hw/mlx4/srq.c diff | blob | history
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