Re: RFC: remove __read_mostly
From: Andi Kleen
Date: Thu Dec 13 2007 - 17:29:32 EST
Adrian Bunk <bunk@xxxxxxxxxx> writes:
>
> -rwxrwxr-x 1 bunk bunk 46607243 2007-12-13 19:50 vmlinux.old
> -rwxrwxr-x 1 bunk bunk 46598691 2007-12-13 21:55 vmlinux
File sizes are useless -- check size output.
> It's not a surprise that the kernel can become bigger when __read_mostly
> gets used, especially in cases where __read_mostly prevents gcc
> optimizations.
What optimizations do you think it prevents? I don't think it
should change the gcc generated code at all; the only difference
should be to the linker.
-Andi
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