dma_buf_kunmap_atomic (9)

Unmap a page obtained by dma_buf_kmap_atomic.

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  3. Kernel routines
  4. dma_buf_kunmap_atomic: Unmap a page obtained by dma_buf_kmap_atomic.
  1. Carta.tech
  2. Packages
  3. linux-manual-3.16
  4. dma_buf_kunmap_atomic: Unmap a page obtained by dma_buf_kmap_atomic.

SYNOPSIS

void dma_buf_kunmap_atomic(struct dma_buf * dmabuf, unsigned long page_num, void * vaddr);

ARGUMENTS

dmabuf

[in] buffer to unmap page from.

page_num

[in] page in PAGE_SIZE units to unmap.

vaddr

[in] kernel space pointer obtained from dma_buf_kmap_atomic.

DESCRIPTION

This call must always succeed.

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