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Date: Thu, 13 Dec 2007 23:29:08 +0100 From: Andi Kleen <andi@...stfloor.org> To: Adrian Bunk <bunk@...nel.org> Cc: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org Subject: Re: RFC: remove __read_mostly Adrian Bunk <bunk@...nel.org> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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