Re: About 4k kernel stack size....

[Mark Lord]

J.A. Magallon wrote:
> Hi...
>
> I'm following the intense thread about stack size, and I see only one
> solution.
>
> Ship the nest stable, development, -mm, everything release of everything
> with a maximum kernel/interrupt stack usage meter. The ask a poll for
> everyone to send  /proc/sys/stack_usage_max to a mailing list.

That won't do it.

The mainline code paths are undoubtedly fine with 4K stacks.
It's the *error paths* that are most likely to go deeper on the stack,
and those are rarely exercised by anyone.  And those are the paths
that we *really* need to be reliable.

Cheers
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