Messages in this thread | | | Date | Sat, 9 Dec 2006 11:49:50 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [RFC] [PATCH] virtual memmap on sparsemem v3 [3/4] static virtual mem_map |
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On Fri, 8 Dec 2006 16:30:20 -0800 Andrew Morton <akpm@osdl.org> wrote:
> > +#ifdef CONFIG_SPARSEMEM_VMEMMAP_STATIC > > +#include <linux/mm_types.h> > > +extern struct page mem_map[]; > > +#else > > extern struct page* mem_map; > > #endif > > +#endif > > This looks rather unpleasant - what went wrong here? > definition of 'struct page' is necessary before declearing array[]. (for gcc-4.0)
> Would prefer to unconditionally include the header file - conditional inclusions > like this can cause compile failures when someone changes a config option. They > generally raise the complexity level. > Okay. Now, forward declearation of 'struct page' is in mmzone.h. I'll remove it and include mm_types.h instead of it. If someone says "Don't do that", I'll look for anothere way.
-Kame
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