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+config CACHE_FLUSH_WATCHDOG_THRESHOLD
+ int "Bytes to flush between WATCHDOG_RESET calls"
+ default 0
+ help
+ The flush_cache() function periodically, and by default for
+ every cache line, calls WATCHDOG_RESET(). When flushing a
+ large area, that may add a significant amount of
+ overhead. This option allows you to set a threshold for how
+ many bytes to flush between each WATCHDOG_RESET call.