Re: [Patch] Convert max_user_watches to long.

[Andrew Morton]

On Wed, 27 Oct 2010 14:09:15 -0500
Robin Holt <holt@xxxxxxx> wrote:

> On a 16TB machine, max_user_watches has an integer overflow.  Convert it
> to use a long and handle the associated fallout.
> 

hand-wavy reality check:

Are the existing defaults sane?  How well does the code perform with a
few billion watches?

Is the expected use case one-watch-per-user-per-fd?  If so, then
perhaps the max number of user_watches should have some realtionship
with the max number of fds?

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