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b43: Increase number of RX DMA slots
commit ccae0e5 upstream. Bastian Bittorf reported that some of the silent freezes on a Linksys WRT54G were due to overflow of the RX DMA ring buffer, which was created with 64 slots. That finding reminded me that I was seeing similar crashed on a netbook, which also has a relatively slow processor. After increasing the number of slots to 128, runs on the netbook that previously failed now worked; however, I found that 109 slots had been used in one test. For that reason, the number of slots is being increased to 256. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Bastian Bittorf <firstname.lastname@example.org> Signed-off-by: David S. Miller <email@example.com> Signed-off-by: Greg Kroah-Hartman <firstname.lastname@example.org>
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