From: Jan Dakinevich Date: Mon, 9 Jul 2018 13:51:08 +0000 (+0300) Subject: ib_srpt: use kvmalloc to allocate ring pointers X-Git-Tag: v4.19~309^2~171 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=781a4016be54ac36b22eac2e84c7fe4cafd3492a;p=platform%2Fkernel%2Flinux-rpi.git ib_srpt: use kvmalloc to allocate ring pointers An array of pointers to SRPT contexts in ib_device is over 30KiB even in default case, in which an amount of contexts is 4095. The patch is intended to weed out large contigous allocation for non-DMA memory. Signed-off-by: Jan Dakinevich Reviewed-by: Bart Van Assche Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index e42eec2..3cb99ca 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -719,7 +719,7 @@ static struct srpt_ioctx **srpt_alloc_ioctx_ring(struct srpt_device *sdev, WARN_ON(ioctx_size != sizeof(struct srpt_recv_ioctx) && ioctx_size != sizeof(struct srpt_send_ioctx)); - ring = kmalloc_array(ring_size, sizeof(ring[0]), GFP_KERNEL); + ring = kvmalloc_array(ring_size, sizeof(ring[0]), GFP_KERNEL); if (!ring) goto out; for (i = 0; i < ring_size; ++i) { @@ -733,7 +733,7 @@ static struct srpt_ioctx **srpt_alloc_ioctx_ring(struct srpt_device *sdev, err: while (--i >= 0) srpt_free_ioctx(sdev, ring[i], dma_size, dir); - kfree(ring); + kvfree(ring); ring = NULL; out: return ring; @@ -758,7 +758,7 @@ static void srpt_free_ioctx_ring(struct srpt_ioctx **ioctx_ring, for (i = 0; i < ring_size; ++i) srpt_free_ioctx(sdev, ioctx_ring[i], dma_size, dir); - kfree(ioctx_ring); + kvfree(ioctx_ring); } /**