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    SubjectRe: [PATCH] trim memory not covered by WB MTRRs
    On 6/27/07, Pim Zandbergen <P.Zandbergen@macroscoop.nl> wrote:
    > Now:
    > Jesse released a new patch and I tried if for fun on 2.6.22-rc6
    > It looks like the patch is releasing memory rather than trimming it:
    >
    > [...]
    > Jun 27 12:22:56 corneille kernel: **** MTRRs don't cover all of memory,
    > trimmed -65536 pages
    > [...]

    From Jesse's patch:
    > + unsigned long i, base, size, highest_addr = 0, def, dummy;
    > [...]
    > + printk(KERN_WARNING "**** MTRRs don't cover all of "
    > + "memory, trimmed %ld pages\n", end_pfn -
    > + (highest_addr >> PAGE_SHIFT));

    Since both end_pfn (from arch/x86_64/kernel/e820.c) and highest_addr
    are unsigned long, maybe the problem is just that %ld in the kprintf
    format string? Shouldn't that be %lu?

    Mauro
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