dma_alloc_coherent is an opaque allocator that only uses the GFP_ flags for allocation context control. Don't pass GFP_USER which doesn't make sense for a kernel DMA allocation or __GFP_COMP which makes no sense for an allocation that can't in any way be converted to a page pointer.
Signed-off-by: Christoph Hellwig hch@lst.de --- drivers/infiniband/hw/qib/qib_iba6120.c | 2 +- drivers/infiniband/hw/qib/qib_init.c | 21 ++++----------------- 2 files changed, 5 insertions(+), 18 deletions(-)
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index aea571943768b..07386117f21ad 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -2075,7 +2075,7 @@ static void alloc_dummy_hdrq(struct qib_devdata *dd) dd->cspec->dummy_hdrq = dma_alloc_coherent(&dd->pcidev->dev, dd->rcd[0]->rcvhdrq_size, &dd->cspec->dummy_hdrq_phys, - GFP_ATOMIC | __GFP_COMP); + GFP_ATOMIC); if (!dd->cspec->dummy_hdrq) { qib_devinfo(dd->pcidev, "Couldn't allocate dummy hdrq\n"); /* fallback to just 0'ing */ diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c index 45211008449fb..33667becd52b0 100644 --- a/drivers/infiniband/hw/qib/qib_init.c +++ b/drivers/infiniband/hw/qib/qib_init.c @@ -1546,18 +1546,14 @@ int qib_create_rcvhdrq(struct qib_devdata *dd, struct qib_ctxtdata *rcd)
if (!rcd->rcvhdrq) { dma_addr_t phys_hdrqtail; - gfp_t gfp_flags;
amt = ALIGN(dd->rcvhdrcnt * dd->rcvhdrentsize * sizeof(u32), PAGE_SIZE); - gfp_flags = (rcd->ctxt >= dd->first_user_ctxt) ? - GFP_USER : GFP_KERNEL;
old_node_id = dev_to_node(&dd->pcidev->dev); set_dev_node(&dd->pcidev->dev, rcd->node_id); - rcd->rcvhdrq = dma_alloc_coherent( - &dd->pcidev->dev, amt, &rcd->rcvhdrq_phys, - gfp_flags | __GFP_COMP); + rcd->rcvhdrq = dma_alloc_coherent(&dd->pcidev->dev, amt, + &rcd->rcvhdrq_phys, GFP_KERNEL); set_dev_node(&dd->pcidev->dev, old_node_id);
if (!rcd->rcvhdrq) { @@ -1577,7 +1573,7 @@ int qib_create_rcvhdrq(struct qib_devdata *dd, struct qib_ctxtdata *rcd) set_dev_node(&dd->pcidev->dev, rcd->node_id); rcd->rcvhdrtail_kvaddr = dma_alloc_coherent( &dd->pcidev->dev, PAGE_SIZE, &phys_hdrqtail, - gfp_flags); + GFP_KERNEL); set_dev_node(&dd->pcidev->dev, old_node_id); if (!rcd->rcvhdrtail_kvaddr) goto bail_free; @@ -1621,17 +1617,8 @@ int qib_setup_eagerbufs(struct qib_ctxtdata *rcd) struct qib_devdata *dd = rcd->dd; unsigned e, egrcnt, egrperchunk, chunk, egrsize, egroff; size_t size; - gfp_t gfp_flags; int old_node_id;
- /* - * GFP_USER, but without GFP_FS, so buffer cache can be - * coalesced (we hope); otherwise, even at order 4, - * heavy filesystem activity makes these fail, and we can - * use compound pages. - */ - gfp_flags = __GFP_RECLAIM | __GFP_IO | __GFP_COMP; - egrcnt = rcd->rcvegrcnt; egroff = rcd->rcvegr_tid_base; egrsize = dd->rcvegrbufsize; @@ -1663,7 +1650,7 @@ int qib_setup_eagerbufs(struct qib_ctxtdata *rcd) rcd->rcvegrbuf[e] = dma_alloc_coherent(&dd->pcidev->dev, size, &rcd->rcvegrbuf_phys[e], - gfp_flags); + GFP_KERNEL); set_dev_node(&dd->pcidev->dev, old_node_id); if (!rcd->rcvegrbuf[e]) goto bail_rcvegrbuf_phys;