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    SubjectRe: lowmem_reserve (replaces protection)
    On Wed, Oct 27, 2004 at 02:25:37AM +0200, Andrea Arcangeli wrote:
    > On Tue, Oct 26, 2004 at 02:17:33PM +1000, Nick Piggin wrote:
    > > OK that makes sense... it isn't the length of the name, but the fact
    > > that that naming convention hasn't proliferated thoughout the 2.6 tree;
    >
    > I don't see any other equivalent teminology besides my "classzone" word
    > existing, if we standardize on "alloc_type" to only mean a classzone
    > then I'd be fine to giveup on my wording, I don't care to retain my
    > wording, but to me classzone sounds more self explanatory than
    > alloc_type (though I must be biased having invented that word).
    >
    > > maybe could you add a little comment along the lines of the above?
    >
    > sure. done here:
    >
    > http://www.kernel.org/pub/linux/kernel/people/andrea/patches/v2.6/2.6.9/lowmem_reserve-2

    sorry there was a small buglet, when testing I must have tweaked the
    sysctl before sysrq+m so I overlooked it until now when I was playing
    with a new feature (the other version of the patch against 2.6.5 that I
    tested more closely didn't miss the below)

    So it was disabled by default *still* ;)

    --- 1-lowmem_reserve/mm/page_alloc.c.~1~ 2004-10-28 01:56:50.000000000 +0200
    +++ 1-lowmem_reserve/mm/page_alloc.c 2004-10-28 02:18:39.160567304 +0200
    @@ -1916,6 +1916,7 @@ static int __init init_per_zone_pages_mi
    if (min_free_kbytes > 16384)
    min_free_kbytes = 16384;
    setup_per_zone_pages_min();
    + setup_per_zone_lowmem_reserve();
    return 0;
    }
    module_init(init_per_zone_pages_min)

    full update ready to be merged is here:

    http://www.kernel.org/pub/linux/kernel/people/andrea/patches/v2.6/2.6.9/lowmem_reserve-3

    thanks.
    -
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