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    SubjectRe: [PATCH 3/3] x86/iommu: use __GFP_ZERO instead of memset for GART

    * Joerg Roedel <joerg.roedel@amd.com> wrote:

    > #ifdef CONFIG_IOMMU_LEAK
    > if (leak_trace) {
    > - iommu_leak_tab = (void *)__get_free_pages(GFP_KERNEL,
    > + iommu_leak_tab = (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
    > get_order(iommu_pages*sizeof(void *)));
    > - if (iommu_leak_tab)
    > - memset(iommu_leak_tab, 0, iommu_pages * 8);
    > else
    > printk(KERN_DEBUG
    > "PCI-DMA: Cannot allocate leak trace area\n");

    hm, that looks broken.

    Ingo


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