Re: [RFC][PATCH 5/9] mm: rearrange struct page

[Kirill A. Shutemov]

On Tue, Jan 14, 2014 at 10:00:55AM -0800, Dave Hansen wrote:
> 
> From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
> 
> To make the layout of 'struct page' look nicer, I broke
> up a few of the unions.  But, this has a cost: things that
> were guaranteed to line up before might not any more.  To make up
> for that, some BUILD_BUG_ON()s are added to manually check for
> the alignment dependencies.
> 
> This makes it *MUCH* more clear how the first few fields of
> 'struct page' get used by the slab allocators.
> 
> Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>

Looks much cleaner!

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

-- 
 Kirill A. Shutemov
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