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    SubjectRe: [PATCH -mm 3/6] Fix the x86-64 page colouring code to take pgoff into account and use that code as the basis for a generic page colouring code.
    On 06/18/2012 12:30 PM, Andi Kleen wrote:
    > Rik van Riel<riel@redhat.com> writes:
    >
    >> From: Rik van Riel<riel@surriel.com>
    >>
    >> Teach the generic arch_get_unmapped_area(_topdown) code to call the
    >> page colouring code.
    >
    > What tree is that against? I cannot find x86 page colouring code in next
    > or mainline.

    This is against mainline.

    See align_addr in arch/x86/kernel/sys_x86_64.c and the
    call sites in arch_get_unmapped_area(_topdown).

    On certain AMD chips, Linux tries to get certain
    allocations aligned to avoid cache aliasing issues.

    --
    All rights reversed


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