On Fri, 8 Dec 2006 16:07:08 +0900 KAMEZAWA Hiroyuki <[EMAIL PROTECTED]> wrote:
> This patch adds support for statically allocated virtual mem_map. > (means virtual address of mem_map array is defined statically.) > This removes reference to *(&mem_map). > > Signed-Off-By: KAMEZAWA Hiroyuki <[EMAIL PROTECTED]> > > > Index: devel-2.6.19/include/linux/mmzone.h > =================================================================== > --- devel-2.6.19.orig/include/linux/mmzone.h 2006-12-08 15:04:30.000000000 > +0900 > +++ devel-2.6.19/include/linux/mmzone.h 2006-12-08 15:05:18.000000000 > +0900 > @@ -618,8 +618,13 @@ > #if (((BITS_PER_LONG/4) * PAGES_PER_SECTION) % PAGE_SIZE) != 0 > #error "PAGE_SIZE/SECTION_SIZE relationship is not suitable for vmem_map" > #endif > +#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? 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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
