tty_[un]register_devfs putting 3K structures on the stack

From: Jeff Dike (jdike@karaya.com)
Date: Fri Oct 06 2000 - 12:01:34 EST

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tty_register_devfs and tty_unregister_devfs both declare "struct tty_struct" locals.

According to gdb:

(gdb) p sizeof(struct tty_struct)
$20 = 3084

This eats up most of a 4K page, and on UML this is causing the stack to flow off the page for some people.

Is it possible to make that tty_struct static or kmalloc it or something?

Jeff

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Next message: Rik van Riel: "Re: the new VM"
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Reply: Theodore Y. Ts'o: "Re: tty_[un]register_devfs putting 3K structures on the stack"
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