Lines Matching +full:close +full:- +full:range

2  * videobuf2-memops.c - generic memory handling routines for videobuf2
16 #include <linux/dma-mapping.h>
22 #include <media/videobuf2-v4l2.h>
23 #include <media/videobuf2-memops.h>
26  * vb2_create_framevec() - map virtual addresses to pfns
28  * @length:	Length of a range to map
31  * virtual address range passed in arguments. If pfns have corresponding pages,
46 	last = (start + length - 1) >> PAGE_SHIFT;  in vb2_create_framevec()
47 	nr = last - first + 1;  in vb2_create_framevec()
50 		return ERR_PTR(-ENOMEM);  in vb2_create_framevec()
56 		ret = -EFAULT;  in vb2_create_framevec()
69  * vb2_destroy_framevec() - release vector of mapped pfns
83  * vb2_common_vm_open() - increase refcount of the vma
87  * struct vb2_vmarea_handler pointer in vma->vm_private_data.
91 	struct vb2_vmarea_handler *h = vma->vm_private_data;  in vb2_common_vm_open()
93 	pr_debug("%s: %p, refcount: %d, vma: %08lx-%08lx\n",  in vb2_common_vm_open()
94 	       __func__, h, refcount_read(h->refcount), vma->vm_start,  in vb2_common_vm_open()
95 	       vma->vm_end);  in vb2_common_vm_open()
97 	refcount_inc(h->refcount);  in vb2_common_vm_open()
101  * vb2_common_vm_close() - decrease refcount of the vma
105  * struct vb2_vmarea_handler pointer in vma->vm_private_data.
109 	struct vb2_vmarea_handler *h = vma->vm_private_data;  in vb2_common_vm_close()
111 	pr_debug("%s: %p, refcount: %d, vma: %08lx-%08lx\n",  in vb2_common_vm_close()
112 	       __func__, h, refcount_read(h->refcount), vma->vm_start,  in vb2_common_vm_close()
113 	       vma->vm_end);  in vb2_common_vm_close()
115 	h->put(h->arg);  in vb2_common_vm_close()
119  * vb2_common_vm_ops - common vm_ops used for tracking refcount of mmapped
124 	.close = vb2_common_vm_close,