add support 4g -- >ppp

hc

2023-11-24 2b26ab132d1b33b91c84c6d732456200e8c5ee77

 kernel/drivers/md/bcache/Kconfig
..
..
@@ -1,6 +1,7 @@
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 config BCACHE
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 	tristate "Block device as cache"
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+	depends on !PREEMPT_RT_FULL
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 	select CRC64
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 	help
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 	Allows a block device to be used as cache for other devices; uses