Lines Matching +full:software +full:- +full:locked

5  * This software is available to you under a choice of one of two
15  *      - Redistributions of source code must retain the above
19  *      - Redistributions in binary form must reproduce the above
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
47  * qib_map_page - a safety wrapper around pci_map_page()
63 	phys = dma_map_page(&hwdev->dev, page, 0, PAGE_SIZE, DMA_FROM_DEVICE);  in qib_map_page()
64 	if (dma_mapping_error(&hwdev->dev, phys))  in qib_map_page()
65 		return -ENOMEM;  in qib_map_page()
68 		dma_unmap_page(&hwdev->dev, phys, PAGE_SIZE, DMA_FROM_DEVICE);  in qib_map_page()
69 		phys = dma_map_page(&hwdev->dev, page, 0, PAGE_SIZE,  in qib_map_page()
71 		if (dma_mapping_error(&hwdev->dev, phys))  in qib_map_page()
72 			return -ENOMEM;  in qib_map_page()
83  * qib_get_user_pages - lock user pages into memory
97 	unsigned long locked, lock_limit;  in qib_get_user_pages()  local
102 	locked = atomic64_add_return(num_pages, &current->mm->pinned_vm);  in qib_get_user_pages()
104 	if (locked > lock_limit && !capable(CAP_IPC_LOCK)) {  in qib_get_user_pages()
105 		ret = -ENOMEM;  in qib_get_user_pages()
109 	mmap_read_lock(current->mm);  in qib_get_user_pages()
112 				     num_pages - got,  in qib_get_user_pages()
116 			mmap_read_unlock(current->mm);  in qib_get_user_pages()
120 	mmap_read_unlock(current->mm);  in qib_get_user_pages()
126 	atomic64_sub(num_pages, &current->mm->pinned_vm);  in qib_get_user_pages()
135 	if (current->mm)  in qib_release_user_pages()
136 		atomic64_sub(num_pages, &current->mm->pinned_vm);  in qib_release_user_pages()