Re: [patch] [RFC] move 'struct page' into its own header

From: Christoph Hellwig
Date: Thu Dec 16 2004 - 17:30:22 EST

On Thu, Dec 16, 2004 at 02:04:15PM -0800, Dave Hansen wrote:
> There are currently 24 places in the tree where struct page is
> predeclared. However, a good number of these places also have to
> do some kind of arithmetic on it, and end up using macros because
> static inlines wouldn't have the type fully definied at
> compile-time.
> But, in reality, struct page has very few dependencies on outside
> macros or functions, and doesn't really need to be a part of the
> header include mess which surrounds many of the VM headers.
> So, put 'struct page' into structpage.h, along with a nasty comment
> telling everyone to keep their grubby mitts out of the file.
> Now, we can use static inlines for almost any 'struct page'
> operations with no problems, and get rid of many of the
> predeclarations.

What about calling it page.h? structfoo.h sounds like a really strange
name. And while you're at it page-flags.h should probably be merged into
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