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    SubjectRe: 2.3.32: CONFIG_BIGMEM does not compile on x86
    On Sat, 16 Oct 1999, Adam J. Richter wrote:

    > If CONFIG_BIGMEM is selected in Linux 2.3.22, then
    >arch/i386/kernel/setup.c will refer to the symbol MAX_PFN, which
    >is not defined.

    Somebody cleanedup the mem init stuff and added a typo. Here it is the
    fix against 2.3.22:

    --- 2.3.22-bigmem/arch/i386/kernel/setup.c.~1~ Sat Oct 16 03:34:51 1999
    +++ 2.3.22-bigmem/arch/i386/kernel/setup.c Sun Oct 17 19:53:28 1999
    @@ -590,8 +590,8 @@
    #ifdef CONFIG_BIGMEM
    #define MAXBIGMEM ((unsigned long)(~(VMALLOC_RESERVE-1)))
    - if (max_pfn > MAX_PFN)
    - max_pfn = MAX_PFN;
    + if (max_pfn > MAXBIGMEM_PFN)
    + max_pfn = MAXBIGMEM_PFN;

    /* When debugging, make half of "normal" memory be BIGMEM memory instead */
    #ifdef BIGMEM_DEBUG

    BTW, I have no idea what pfn means (p is page, n is number, f is _not_ fault).


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