jam-10-highpage-init.patch

   1         Cleanup one_highpage_init() as in 2.5.
   2         Author: Christoph Hellwig <hch@sgi.com>
   3
   4 --- linux-2.4.20-pre5/arch/i386/mm/init.c       Tue Aug 20 11:36:59 2002
   5 +++ linux/arch/i386/mm/init.c   Fri Sep  6 13:14:37 2002
   6 @@ -442,21 +442,14 @@ static inline int page_kills_ppro(unsign
   7  #ifdef CONFIG_HIGHMEM
   8  void __init one_highpage_init(struct page *page, int pfn, int bad_ppro)
   9  {
  10 -       if (!page_is_ram(pfn)) {
  11 +       if (page_is_ram(pfn) && !(bad_ppro && page_kills_ppro(pfn))) {
  12 +               ClearPageReserved(page);
  13 +               set_bit(PG_highmem, &page->flags);
  14 +               set_page_count(page, 1);
  15 +               __free_page(page);
  16 +               totalhigh_pages++;
  17 +       } else
  18                 SetPageReserved(page);
  19 -               return;
  20 -       }
  21 -
  22 -       if (bad_ppro && page_kills_ppro(pfn)) {
  23 -               SetPageReserved(page);
  24 -               return;
  25 -       }
  26 -
  27 -       ClearPageReserved(page);
  28 -       set_bit(PG_highmem, &page->flags);
  29 -       atomic_set(&page->count, 1);
  30 -       __free_page(page);
  31 -       totalhigh_pages++;
  32  }
  33  #endif /* CONFIG_HIGHMEM */
  34