On Fri, 2006-04-21 at 21:57 +0100, Hugh Dickins wrote:
>
> } __attribute__((aligned(sizeof(long))));
> /*
> * On most architectures that alignment is already the case; but
> * must be enforced here for CRIS, to let the least signficant bit
> * of struct page's "mapping" pointer be used for PAGE_MAPPING_ANON.
> */
>
> You can often get away with it - I notice we never added the same
> alignment to struct anon_vma, which in theory needed it just as much.
> Some accident of how structures are packed into slabs on CRIS, I suppose.
That sounds very strange to me, but it's harmless enough to add the
explicit alignment.
--
dwmw2
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