Searched refs:vmapping_counter (Results 1 - 2 of 2) sorted by relevance

/linux-master/include/linux/
H A Ddma-buf.h330 * @vmapping_counter:
335 unsigned vmapping_counter; member in struct:dma_buf
339 * The current vmap ptr if @vmapping_counter > 0. Protected by @lock.
/linux-master/drivers/dma-buf/
H A Ddma-buf.c69 BUG_ON(dmabuf->vmapping_counter);
1516 if (dmabuf->vmapping_counter) {
1517 dmabuf->vmapping_counter++;
1530 dmabuf->vmapping_counter = 1;
1578 BUG_ON(dmabuf->vmapping_counter == 0);
1581 if (--dmabuf->vmapping_counter == 0) {

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