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authorIvan Delalande <[email protected]>2016-03-17 14:21:30 -0700
committerLinus Torvalds <[email protected]>2016-03-17 15:09:34 -0700
commitf468908bb55a0b01d9424c74f8ec8eb906835150 (patch)
treea7bf81033bae377f5507cdd19e714b9686f31029 /tools/testing/radix-tree/linux/kernel.h
parentadaf6590ee7db23c3a124fb9f213c90c15cecf96 (diff)
printk: add clear_idx symbol to vmcoreinfo
This allows us to extract from the vmcore only the messages emitted since the last time the ring buffer was cleared. We just have to make sure its value is always up-to-date, when old messages are discarded to free space in log_make_free_space() for example. Signed-off-by: Zeyu Zhao <[email protected]> Signed-off-by: Ivan Delalande <[email protected]> Cc: Kay Sievers <[email protected]> Cc: Neil Horman <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/testing/radix-tree/linux/kernel.h')
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