Re: [PATCH] mm/util.c: Add error logs for commitment overflow

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On 2020-10-02 17:41, Matthew Wilcox wrote:


I don't think the __func__ is particularly useful information.  I would
also expect the name of the process to be more interesting than the PID.
And why is the ppid useful?


Dear Matthew, First, thank you so much for your review and comments.
I totally agree with you.
Yes, initially I included process-name but later removed it to shrink some lines. I thought just pid should be enough to figure out the culprit process from dumps.
Okay, I agree __func__ can also be removed.
ppid, I thought might be useful, so I included it. Okay I will remove that too.

Wouldn't this message be more useful?

fork: Would overcommit system (pid:162 name:./consume-and-fork.out)


Okay, yes I think this should be sufficient.
But I think printing pages also should be good to indicate the users to lack
information about this commitment.

ie put it in dup_mmap() and use current->comm

Sorry, this part about dup_mmap(), I could not understand.


Thanks,
Pintu




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