Scroll to navigation

DMAM_ALLOC_NONCOHERE(9) Device drivers infrastructure DMAM_ALLOC_NONCOHERE(9)

NAME

dmam_alloc_noncoherent - Managed dma_alloc_non_coherent

SYNOPSIS

void * dmam_alloc_noncoherent(struct device * dev, size_t size, dma_addr_t * dma_handle, gfp_t gfp);

ARGUMENTS

dev

Device to allocate non_coherent memory for

size

Size of allocation

dma_handle

Out argument for allocated DMA handle

gfp

Allocation flags

DESCRIPTION

Managed dma_alloc_non_coherent. Memory allocated using this function will be automatically released on driver detach.

RETURNS

Pointer to allocated memory on success, NULL on failure.

COPYRIGHT

May 2024 Kernel Hackers Manual 2.6.