Re: [PATCH] mm/memory.c: remove warning from an uninitialized spinlock.was: Re: 2.6.21-rc7-mm2

From: Jeremy Fitzhardinge
Date: Sat Apr 28 2007 - 03:03:44 EST


Borislav Petkov wrote:
> Sorry, no such thing in the docs to do
>
> spinlock_t __attribute__((__uninitialized__)) *ptl;
>
> in order to suppress warnings. But if function size is our concern here, even
> shorter would be:
>

asm("" : "=rm" (ptl)) would do the job, I think, but it's pretty ugly
syntactically.

J
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