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SubjectRe: [PATCH] kmemcheck: make bitfield annotations truly no-ops when disabled
Andrew Morton kirjoitti:
> On Sun, 6 Dec 2009 18:42:13 +0100
> Vegard Nossum <vegard.nossum@gmail.com> wrote:
>
>> It turns out that even zero-sized struct members (int foo[0];) will affect
>> the struct layout, causing us in particular to lose 4 bytes in struct sock.
>>
>> This patch fixes the regression in CONFIG_KMEMCHECK=n case.
>
> Which kernel version is the regression relative to?

AFAICT, it dates back to 2.6.31 when kmemcheck was introduced in
mainline. Vegard?

> Should we backport this into 2.6.32.x?

I guess so. Eric, how bad is the regression?

Pekka


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