Re: top stack (l)users for 2.5.69

From: Marcus Alanen (marcus@infa.abo.fi)
Date: Wed May 07 2003 - 16:27:01 EST


On Wed, 7 May 2003 13:38:56 -0700, Randy.Dunlap <rddunlap@osdl.org> wrote:
>I have mostly used kmalloc/kfree, but using automatic variables is certainly
>cleaner to write (code). One of the patches that I did just made each ioctl
>cmd call a separate function, and then each separate function was able to use
>automatic variables on the stack instead of kmalloc/kfree. I prefer this
>method when it's feasible (and until gcc can handle these cases).

I take it moving the automatic variables in the function to a static
data area would be possible, _if_ that function (or rather, the
variables) is protected by some unique lock (not some per-structure
lock, of course)? Although this is probably already done in the
majority of cases.

Marcus

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