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| author | Cohen David.A | 2009-05-11 16:00:20 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2009-06-16 23:21:10 +0200 |
| commit | 1010ed132727bbf486ac28fd149ccfb0ef5cd2ab (patch) | |
| tree | aa95ea2fb7cc5aec23c83ea650e8397a593d1c8d /drivers/media/dvb/dvb-core | |
| parent | V4L/DVB (11837): uvcvideo: Start status polling on device open (diff) | |
| download | kernel-qcow2-linux-1010ed132727bbf486ac28fd149ccfb0ef5cd2ab.tar.gz kernel-qcow2-linux-1010ed132727bbf486ac28fd149ccfb0ef5cd2ab.tar.xz kernel-qcow2-linux-1010ed132727bbf486ac28fd149ccfb0ef5cd2ab.zip | |
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>
Diffstat (limited to 'drivers/media/dvb/dvb-core')
0 files changed, 0 insertions, 0 deletions