Messages in this thread Patch in this message | | | Date | Thu, 26 Jun 2003 13:10:05 -0700 | From | Andrew Morton <> | Subject | Re: [RFC] My research agenda for 2.7 |
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Mel Gorman <mel@csn.ul.ie> wrote: > > Buddy allocators, including the > one implemented in Linux, do not record what order allocation a struct > page belongs to.
We can do that.
--- 25/mm/page_alloc.c~a 2003-06-26 13:09:11.000000000 -0700 +++ 25-akpm/mm/page_alloc.c 2003-06-26 13:09:24.000000000 -0700 @@ -123,6 +123,7 @@ static void prep_compound_page(struct pa SetPageCompound(p); p->lru.next = (void *)page; } + page[1].index = order; } static void destroy_compound_page(struct page *page, unsigned long order) _
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