[PATCH 11/16] s390/ism: stop passing bogus gfp flags arguments to dma_alloc_coherent

Christoph Hellwig
2019-06-14T13:49:10Z

dma_alloc_coherent is not just the page allocator. The only valid
arguments to pass are either GFP_ATOMIC or GFP_ATOMIC with possible
modifiers of __GFP_NORETRY or __GFP_NOWARN.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/s390/net/ism_drv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 4fc2056bd227..4ff5506fa4c6 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -241,7 +241,8 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct smcd_dmb *dmb)

dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len,
&dmb->dma_addr,
- GFP_KERNEL | __GFP_NOWARN | __GFP_NOMEMALLOC | __GFP_COMP | __GFP_NORETRY);
+ GFP_KERNEL | __GFP_NOWARN |
+ __GFP_NORETRY);
if (!dmb->cpu_addr)
clear_bit(dmb->sba_idx, ism->sba_bitmap);

--
2.20.1