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authorCohen David.A <david.cohen@nokia.com>2009-05-11 11:00:20 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-16 18:21:10 -0300
commit1010ed132727bbf486ac28fd149ccfb0ef5cd2ab (patch)
treeaa95ea2fb7cc5aec23c83ea650e8397a593d1c8d /net
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 'net')
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