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SubjectRe: [RFC][PATCH] net drivers and cache alignment
"J.A. Magallon" wrote:
>
> #define __cacheline_start struct { } ____cacheline_aligned;

That will generate a warning on faster^Wolder versions of gcc.

mnm:/home/akpm> gcc t2.c
t2.c:11: warning: unnamed struct/union that defines no instances
t2.c:15: warning: unnamed struct/union that defines no instances
mnm:/home/akpm> gcc -v
Reading specs from /usr/local/lib/gcc-lib/i686-pc-linux-gnu/2.95.3/specs
gcc version 2.95.3 20010315 (release)
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