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On Thu, 9 Nov 2006, Aaron Durbin wrote: > Fix partial page check in e820_register_active_regions to ensure > partial pages are> not being marked as active in the memory pool.>> Signed-off-by: Aaron Durbin <adurbin@google.com> > Acked-by: Mel Gorman <mel@csn.ul.ie.ie> This bug is in 2.6.19-rc5 and the patch will be needed for 2.6.19. Thanks Aaron. > ---> This was causing a machine to reboot w/ an area in the e820 that was less > than the page size because the upper address was being use to mark a hole as > active in the memory pool.>> arch/x86_64/kernel/e820.c | 2 +-> 1 files changed, 1 insertions(+), 1 deletions(-)>> diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c > index a75c829..855b561 100644> --- a/arch/x86_64/kernel/e820.c> +++ b/arch/x86_64/kernel/e820.c> @@ -278,7 +278,7 @@ e820_register_active_regions(int nid, un > >> > PAGE_SHIFT; > > /* Skip map entries smaller than a page */ > - if (ei_startpfn > ei_endpfn) > + if (ei_startpfn >= ei_endpfn) > continue; > > /* Check if end_pfn_map should be updated */ > -- > 1.4.2.GIT > -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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