Messages in this thread | | | Date | Wed, 27 Jun 2007 14:22:24 +0000 | From | "Mauro Giachero" <> | Subject | Re: [PATCH] trim memory not covered by WB MTRRs |
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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?
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