Re: Zram writeback feature unstable with heavy swap utilization - BUG: Bad page state in process...

From: Tino Lehnig
Date: Fri Jul 27 2018 - 08:14:01 EST

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On 07/27/2018 02:05 PM, Minchan Kim wrote:

And bad page is always with writeback enable?

writeback enable means "echo "some dev" > /sys/block/zram0/backing_dev,
not just enable CONFIG_ZRAM_WRITEBACK.

Yes, the bug only appears when backing_dev is set.

--
Kind regards,

Tino Lehnig

Next message: Masami Hiramatsu: "[PATCH 08/25] selftests/ftrace: Fix to test kprobe $comm arg only if available"
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