Re: [v4 03/11] dev_vprintk_emit: Increase hdr size

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On 7/25/20 5:05 AM, Andy Shevchenko wrote:
> On Fri, Jul 24, 2020 at 8:19 PM Tony Asleson <tasleson@xxxxxxxxxx> wrote:
> 
>> -       char hdr[128];
>> +       char hdr[288];
> 
> This is quite a drastic change for the stack.
> Can you refactor to avoid this?

The only thing I can think of is using a hash of the identifier instead
of the value itself.  This could drastically reduce the stack usage and
data stored in journal, but it makes it kind of clumsy for using.

Would placing this on the heap be acceptable?




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