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    SubjectRe: lilo append mem problem in 2.4.20
    On Sat, 7 Dec 2002, rtilley wrote:

    > 2.4.20smp-ac1 = Dec 4 13:44:48 localhost kernel: Memory: 12700k/16384k
    > available (1396k kernel code, 3168k reserved, 102k data, 240k init, 0k
    > highmem)
    >
    > 2.4.18-18.7.xsmp = Memory: 13156k/16384k available (1269k kernel code, 2712k
    > reserved, 90k data, 220k init, 0k highmem)

    I think it crept in after 2.4.18 in the -ac tree, can you test the
    following patch? Courtesy of JA Magallon's tree;

    11-memparam.bz2
    Fix mem=XXX kernel parameter when user gives a size bigger than what
    kernel autodetected (kill a previous change)
    Author: Adrian Bunk <bunk@fs.tum.de>,
    Leonardo Gomes Figueira <sabbath@planetarium.com.br>

    --- linux/arch/i386/kernel/setup.c.original Mon Jul 22 21:44:45 2002
    +++ linux/arch/i386/kernel/setup.c Tue Jul 23 03:38:08 2002
    @@ -770,21 +770,29 @@
    userdef = 1;
    } else {
    /* If the user specifies memory size, we
    - * limit the BIOS-provided memory map to
    - * that size. exactmap can be used to specify
    - * the exact map. mem=number can be used to
    - * trim the existing memory map.
    + * blow away any automatically generated
    + * size
    */
    unsigned long long start_at, mem_size;

    + if (userdef == 0) {
    + /* first time in: zap the whitelist
    + * and reinitialize it with the
    + * standard low-memory region.
    + */
    + e820.nr_map = 0;
    + userdef = 1;
    + add_memory_region(0, LOWMEMSIZE(), E820_RAM);
    + }
    mem_size = memparse(from+4, &from);
    - if (*from == '@') {
    + if (*from == '@')
    start_at = memparse(from+1, &from);
    - add_memory_region(start_at, mem_size, E820_RAM);
    - } else {
    - limit_regions(mem_size);
    + else {
    + start_at = HIGH_MEMORY;
    + mem_size -= HIGH_MEMORY;
    userdef=1;
    }
    + add_memory_region(start_at, mem_size, E820_RAM);
    }
    }

    --
    function.linuxpower.ca
    -
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