tree aa95ea2fb7cc5aec23c83ea650e8397a593d1c8d
parent 04a37e0f32f9882430bc1899899d2ed91b8aaf5b
author Cohen David.A <david.cohen@nokia.com> 1242050420 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> 1245187270 -0300

V4L/DVB (11840): change kmalloc to vmalloc for sglist allocation in videobuf_dma_map/unmap

Change kmalloc()/kfree() to vmalloc()/vfree() for sglist allocation
during videobuf_dma_map() and videobuf_dma_unmap()

High resolution sensors might require too many contiguous pages
to be allocated for sglist by kmalloc() during videobuf_dma_map()
(i.e. 256Kib for 8MP sensor).
In such situations, kmalloc() could face some problem to find the
required free memory. vmalloc() is a safer solution instead, as the
allocated memory does not need to be contiguous.

Signed-off-by: David Cohen <david.cohen@nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>