On Mon, 9 Jul 2018 13:20 Marek Szyprowski, <m.szyprowski@samsung.com> wrote:

> cma_alloc() function doesn't really support gfp flags other than
> __GFP_NOWARN, so convert gfp_mask parameter to boolean no_warn parameter.
>
> This will help to avoid giving false feeling that this function supports
> standard gfp flags and callers can pass __GFP_ZERO to get zeroed buffer,
> what has already been an issue: see commit dd65a941f6ba ("arm64:
> dma-mapping: clear buffers allocated with FORCE_CONTIGUOUS flag").
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
>

Acked-by: Michał Nazarewicz <mina86@mina86.com>

(Adding Acked-by on a phone is surprisingly hard).

---
>  arch/powerpc/kvm/book3s_hv_builtin.c       | 2 +-
>  drivers/s390/char/vmcp.c                   | 2 +-
>  drivers/staging/android/ion/ion_cma_heap.c | 2 +-
>  include/linux/cma.h                        | 2 +-
>  kernel/dma/contiguous.c                    | 3 ++-
>  mm/cma.c                                   | 8 ++++----
>  mm/cma_debug.c                             | 2 +-
>  7 files changed, 11 insertions(+), 10 deletions(-)
>