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    Subjectsmall patch for do_wp_page
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    As far as I can tell there is no point flushing the ZERO_PAGE to RAM.  Does 
    this patch seem reasonable? (It's against 2.3.12 if that matters.)

    p.

    --- linux/mm/memory.c Sun Aug 8 18:54:35 1999
    +++ linux/mm/memory.c Tue Aug 10 20:51:23 1999
    @@ -60,6 +60,7 @@ static inline void copy_cow_page(unsigne
    return;
    }
    copy_page(to, from);
    + flush_page_to_ram(from);
    }

    mem_map_t * mem_map = NULL;
    @@ -848,7 +849,6 @@ static int do_wp_page(struct task_struct
    if (PageReserved(page))
    ++vma->vm_mm->rss;
    copy_cow_page(old_page,new_page);
    - flush_page_to_ram(old_page);
    flush_page_to_ram(new_page);
    flush_cache_page(vma, address);
    set_pte(page_table, pte_mkwrite(pte_mkdirty(mk_pte(new_page, vma->vm_page_prot))));


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