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authorCohen David.A <david.cohen@nokia.com>2009-05-11 10:00:20 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-16 17:21:10 -0400
commit1010ed132727bbf486ac28fd149ccfb0ef5cd2ab (patch)
treeaa95ea2fb7cc5aec23c83ea650e8397a593d1c8d /Documentation/video4linux/CARDLIST.em28xx
parent04a37e0f32f9882430bc1899899d2ed91b8aaf5b (diff)
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 'Documentation/video4linux/CARDLIST.em28xx')
-rw-r--r--Documentation/video4linux/CARDLIST.em28xx2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx
index bf58d957e0df..20aa65a7059c 100644
--- a/Documentation/video4linux/CARDLIST.em28xx
+++ b/Documentation/video4linux/CARDLIST.em28xx
@@ -62,3 +62,5 @@
62 64 -> Easy Cap Capture DC-60 (em2860) 62 64 -> Easy Cap Capture DC-60 (em2860)
63 65 -> IO-DATA GV-MVP/SZ (em2820/em2840) [04bb:0515] 63 65 -> IO-DATA GV-MVP/SZ (em2820/em2840) [04bb:0515]
64 66 -> Empire dual TV (em2880) 64 66 -> Empire dual TV (em2880)
65 67 -> Terratec Grabby (em2860) [0ccd:0096]
66 68 -> Terratec AV350 (em2860) [0ccd:0084]