On Mon, 9 Jul 2018 13:20 Marek Szyprowski, <[email protected]> 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 <[email protected]>
>
Acked-by: Michał Nazarewicz <[email protected]>
(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(-)
>
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