[PATCH RESEND v2 1/1] fix a dead loop when in heavy low memory

[Zhang, Tianfei]

> But we need more information.  Please make sure that
> lowmem_debug_level is 1, try to get a complete kernel log, and if possible
> please try to capture the stack of the process that can't exit (use
> /proc/<pid>/stack) before trying the above patch.

Hi Rientjes:

The attached file is the current kernel log and your patch kernel log when run heavy monkey stress test.

Best
Figo zhang
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